You are given a paragraph, with numbered sentences, and a question. Write the numbers of the sentences needed to answer the given question. Separate multiple sentence numbers with a comma (", "). E.g. "1, 2" would be the correct response if Sent 1 and Sent 2 are needed to answer the given question (do not include sentences that contain no information that is necessary to answer the question). Sort the sentence numbers in an increasing order (i.e., '1, 2', instead of '2, 1'). Your answer should not contain anything than the sentence numbers separated by a comma (e.g. '1, 2, 3, 4'). The given question requires more than one sentence to answer. So, your answer must contain at least one comma (", ").

Paragraph- Sent 1: The dog was playing in the street outside.
Sent 2: I walked past the dog and threw the ball to him.
Sent 3: He seemed to be hot from the heat of the day.
Sent 4: I then headed to the store because I needed to buy some food and other things that were needed.
Sent 5: I entered the store and said hi to Mr. Jones.
Sent 6: He had been working at the store for a long time.
Sent 7: I walked to the back of the store and picked up some cold sodas and a bottle of orange juice.
Sent 8: I then went and picked up some popcorn.
Sent 9: This would be good for eating later while watching tv.
Sent 10: I then went to the dog food section and picked a meat treat for the dog.
Sent 11: I then went up to the front of the store and paid Mr. Jones.
Sent 12: He smiled and thanked me for shopping at his store.
Sent 13: Then I walked back to my house and looked at the dog.
Sent 14: His name was Rex and had lived with us for around four years.
Sent 15: His coat was brown and white.
Sent 16: I unwrapped the dog treat and gave it to him.
Sent 17: Rex seemed happy and started to lick my hand in happiness.
Sent 18: He was a good dog and it made me feel good that he was happy. 
Question: Why did Rex lick the protagonist's hand?.
16, 17.

Paragraph- Sent 1: Traveling salesman Tom Phillips is driving home to Boston , Massachusetts for Christmas when he encounters a drunken driver on a rain-streaked road .
Sent 2: He can not avoid a collision , and is hospitalized with spinal damage .
Sent 3: Since he can not be a traveling salesman anymore , his brother arranges for Tom to buy a remote motel in the desert town of Mayville , California .
Sent 4: Tom is reluctant , since he has never been an innkeeper before but in the end he decides that he must travel in order to get as far away from the site of his accident as possible , as soon as possible .
Sent 5: So Tom sets out for California with his wife , teen-aged daughter , and son .
Sent 6: But when they reach the desert they are accosted by a pair of drag racers and a `` party girl '' in a modified , high-performance 1958 Chevrolet Corvette who jokingly force them to swerve and avoid a collision .
Sent 7: This is only the first of a series of escalating encounters with the local youth .
Sent 8: Teenaged children of relatively well-off local farmers , they are apparently given `` everything they want '' but are still bored and are locked in a never-ending desire for `` kicks '' in which they will never be satisfied .
Sent 9: The adults , including the owner of a local filling station , are fed-up with them .
Sent 10: One of these adults , however , turns out to own the very motel that Tom Phillips has bought and he is selling out after having let the wayward youth use his motel as an illicit trysting place for years .
Sent 11: When Tom tells the filling-station owner that he has `` just bought himself a motel , '' one of the kids , named Ernie , overhears . 
Question: Who are the adults fed up with?.
8, 9.

Paragraph- Sent 1: Juzo Murasaki arrives at a work construction area to take on his new job as a construction worker .
Sent 2: To his quiet dismay , his supervising boss turns out to be Toru Akai , who with his gang had made Juzo 's middle school life a living hell .
Sent 3: Akai , however , does n't recognize Juzo .
Sent 4: Juzo 's more disconcerted when he discovers that Akai lives with his wife , Nozomi Akai and their toddler son above Juzo 's new apartment .
Sent 5: As Juzo emotionally struggles to handle these unexpected developments , a mysterious and seemingly malicious hooded figure appears .
Sent 6: It calls itself Number 13 .
Sent 7: As Juzo attempts to control increasing number of flashbacks and a spiral fall into psychological darkness , Akai constantly picks on Juzo and other work colleagues including Seki Hajime , a former middle school student who becomes Juzo 's casual friend in spite of Juzo 's anti-social tendencies , at work .
Sent 8: Meanwhile Akai 's wife , Nozomi , attempts to make friends with Juzo and entrusting the care of her toddler son to Juzo .
Sent 9: She proudly shows Juzo her husband 's school photos .
Sent 10: In one class photo , Juzo 's space is marked with an X to show he was absent .
Sent 11: Juzo suffers a severe flashback to explain his absence that day : in their school 's science room , Akai and his friends have thrown acid at Juzo 's face .
Sent 12: Seki becomes suspicious about Juzo 's increasingly odd behavior and goes to inform Arai at the work site , but Arai dismisses him without giving him a chance to speak .
Sent 13: During this incident , Seki does n't realize he 's being watched by Number 13 , but as soon as he does , Number 13 kills him . 
Question: Who shows Juzo the class photo that shows his space marked with an X to show he was absent?.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
8, 9, 10.

