Q: Given the sentence "Man holding a large stick and wearing gray pants and shirt." is it true that "The man has a big stick."?
A: Holding a stick requires that one has a stick to hold. Big is a synonym of large.
The answer is yes.

QUESTION: Test for natural language inference.
Premise: "A group of young children in hats walking along a walkway accompanied by two adults."
Hypothesis: "A group of unaccompanied children run down a sidewalk."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: They would not be unaccompanied if they are accompanied by adults.
The answer is no.

[QUESTION] Can we conclude from "A group of people are walking in front of a large stone building." that "A group walks past a large stone building."?
Options:
- yes
- no
- it is not possible to tell
Walking past a building and walking in front of a building is same.
The answer is yes.

Q: Given the sentence "A woman and a child are playing with a wooden truck and track set." can we conclude that "A woman and child are playing on the floor with toys."?
Options:
- yes
- it is not possible to tell
- no
A: Playing with a truck and track set does not mean that a woman and child are playing on the floor. A wooden truck and track set may not be the only toys they play with.
The answer is it is not possible to tell.

QUESTION: If "A gentleman observing the market while holding his camera." does that mean that "A news photographer is on assignment to cover a street market."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Not all gentlemen are a news photographer and just because a gentleman is observing the market doesn't imply on assignment.
The answer is it is not possible to tell.

QUESTION: Given the sentence "A man in a brown jacket is running on a sandy bay towards a dog that is in turn running towards him." is it true that "A man is playing catch with his dog."?

Let's solve it slowly:
Playing catch is not the same as running towards a dog.
The answer is it is not possible to tell.