[QUESTION] Premise: "A boy is standing on a snowboard in front of a crowd."
Hypothesis: "A boy is reading a book at home."
Do we know that the hypothesis entailed by the premise?
The boy is either standing or reading and he can either be at home or in front of a crowd.
The answer is no.

Q: Premise: "A young man with intense concentration on his face throws a pitch while on the pitcher's mound on a baseball field."
Hypothesis: "The young man is a pitcher."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: A man playing baseball throws a pitch implies he is a pitcher.
The answer is yes.

QUESTION: Premise: "Two people stand on the sidewalk next to the street with their belongings."
Based on this premise, can we conclude that the hypothesis "A couple getting ready to travel." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The people getting ready to travel could have their belongings with them for other other reasons.
The answer is it is not possible to tell.

[QUESTION] Can we conclude from "An older man riding a bike in a city park." that "A man is moving outdoors."?
Options:
- yes
- no
- it is not possible to tell
A man is older and one can only be riding a bike if they are moving also city park is can only be found outdoors.
The answer is yes.

Q: Given the sentence "A woman and her dog on a leash." is it true that "The woman has a cat on a leash."?
A: The woman can not have a cat on a leash when she has a dog on a leash.
The answer is no.

[QUESTION] Premise: "Two children gleefully play with a dog and a tennis ball and racket."
Hypothesis: "Children a unhappy."
Do we know that the hypothesis entailed by the premise?

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
The children can't gleefully play and be unhappy at the same time.
The answer is no.