[QUESTION] Premise: "A young couple in wedding outfits poses for a picture."
Hypothesis: "The couple is engaged."
Do we know that the hypothesis entailed by the premise?
A couple in wedding outfits posing does not imply the couple is engaged.
The answer is it is not possible to tell.

Q: Premise: "Three young youths outside sitting on a cement bench very distant from each other."
Hypothesis: "Three young people outside sitting on a cement bench very distant from each other."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: Three young youths are young people and in both instance they were sitting on a cement bench very distant from each.
The answer is yes.

QUESTION: Given the sentence "Groups of tourists walk across bridge while looking at views of old buildings." is it true that "The tourists are looking at the new buildings too."?

Let's solve it slowly: Looking at views of old buildings does not imply looking at new buildings too.
The answer is it is not possible to tell.

[QUESTION] Premise: "Number 75 motorcycle racer rides his red and black bike."
Based on this premise, can we conclude that the hypothesis "The motorcycle racer #75 rides a blue and green bike." is true?
Options:
- yes
- it is not possible to tell
- no
A motorcycle racer cannot ride his red and black bike and his blue and green bike at the same time because those are two different color combinations.
The answer is no.

Q: Can we conclude from "A dog has its mouth wide open trying to bite something." that "The dog is speaking."?
Options:
- yes
- no
- it is not possible to tell
A: A dog that is speaking cannot at the same time be trying to bite something.
The answer is no.

[QUESTION] If "A man on a motorcycle surrounded by white sand." does that mean that "A man is riding a motorcycle outdoors."?
Options:
- yes
- it is not possible to tell
- no
The man would have to be on the motorcycle to ride it. The word sand makes you think of the beach and if he is at the beach he would have to be outside.
The answer is yes.