[QUESTION] Premise: "Two boys playing tug-of-war while one reaches out to chair on left."
Hypothesis: "Boys are riding a bike."
Do we know that the hypothesis entailed by the premise?
The boys cannot be riding a bike and playing tug-of-war at the same time.
The answer is no.

Q: If "2 older women and a young girl with a red bike." does that mean that "Three females around a bike."?
Options:
- yes
- it is not possible to tell
- no
A: Just because the females are with a red bike does not mean they are around the bike. They could be standing in a line.
The answer is it is not possible to tell.

QUESTION: Premise: "A little kid with food all over her face in a highchair."
Based on this premise, can we conclude that the hypothesis "The little kid's face is dirty from eatting lunch." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The fact that the little kid's face was dirty does not necessarily mean it happened while eating lunch.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "Two men are observing a chemical reaction." is it true that "Two men in black lab coats watch some mice do circles."?
A chemical reaction is a different form of experiment than watching some mice do circles.
The answer is no.

Q: Given the sentence "Two dogs in a field are running to catch a tennis ball." is it true that "Two dogs are watching tv."?
A: One can't be running and watching TV at the same time.
The answer is no.

[QUESTION] Premise: "A man wearing a white helmet in a crowd."
Hypothesis: "A man is wearing a white helmet."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A man is wearing a white helmet in a crowd so he must be wearing a white helmet in general.
The answer is yes.