Q: Premise: "Two men working on a car engine in a garage."
Hypothesis: "Two mechanics are working on a truck."
Do we know that the hypothesis entailed by the premise?
A: If the men are working on a car engine they would not be also working on a truck.
The answer is it is not possible to tell.

QUESTION: Can we conclude from "Two dogs groom each other." that "Two affectionate dogs are cleaning each other."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Not all dogs are affectionate. The fact that they are grooming each other doesn't mean they are affectionate.
The answer is it is not possible to tell.

[QUESTION] Premise: "A young man is surfing on the crest of a wave."
Based on this premise, can we conclude that the hypothesis "The young man is on the water." is true?
Options:
- yes
- it is not possible to tell
- no
One must be on the water to be surfing on the crest of a wave.
The answer is yes.

Q: Given the sentence "People walking up and down on a crowded street in the daytime." is it true that "People walk on the street."?
A: People walking up and down on a street walk on the street.
The answer is yes.

QUESTION: Premise: "A young woman in high heels and a short denim skirt stands holding a cellphone in front of a guard-rail on an urban street."
Hypothesis: "A young woman in high platform heels and a short denim skirt stands holding a cellphone."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: A young woman can wear high heals that are not high platform heels.
The answer is it is not possible to tell.

QUESTION: If "Three men with guitar-like instruments and a woman perform on a small stage." does that mean that "Three husbands and one wife play music."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
Men and woman are not always a husband or a wife.
The answer is it is not possible to tell.