QUESTION: Given the sentence "A police officer with a riot shield protects civilians." can we conclude that "A police officer holding a defense mechanism."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Someone who protects civilians is using a defense mechanism to protect.
The answer is yes.

[QUESTION] Premise: "Several birds flying in front of trees."
Hypothesis: "Birds are looking for food to eat."
Do we know that the hypothesis entailed by the premise?
Birds flying in front of trees are not always looking for food to eat.
The answer is it is not possible to tell.

Q: Premise: "A girl in a bright outfit is playing in the leaves."
Based on this premise, can we conclude that the hypothesis "A girl dressed in all black is sitting in a pile of leaves." is true?
Options:
- yes
- it is not possible to tell
- no
A: A bright outfit refers to a color other than black. One cannot be sitting and playing simultaneously.
The answer is no.

QUESTION: Test for natural language inference.
Premise: "A dog standing on his hind legs has his head and front paws on the kitchen counter."
Hypothesis: "A dog begs for food."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Because the dog stands on his hind legs and has his head and front paws on the kitchen counter does not necessarily mean that it begs for food.
The answer is it is not possible to tell.

[QUESTION] Premise: "People are on a roller coaster in front of a body of water."
Based on this premise, can we conclude that the hypothesis "People are riding a roller coaster." is true?
Options:
- yes
- it is not possible to tell
- no
Being on a roller coaster and riding a roller coaster are the same thing.
The answer is yes.

Q: Premise: "Three young boys walking down the street."
Hypothesis: "Two wearing hats."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A:

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 boys were reading books in the living room before dinner time.
The answer is no.