[QUESTION] Premise: "A dog jumps out of the waves at the beach."
Hypothesis: "A dog retrieves a frisbee from the waves."
Do we know that the hypothesis entailed by the premise?
A dog jumping out of the waves does not imply that he is retrieving a frisbee.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "There are lots of people sitting down and walking around on concrete." can we conclude that "There are not many people sitting down and walking around on concrete."?
Options:
- yes
- it is not possible to tell
- no
If there are not many doing an action then there are not lots doing the action.
The answer is no.

[QUESTION] Given the sentence "A man wearing no shirt skateboarding on the street." is it true that "A man is not wearing a shirt."?
Wearing no shirt means the same as not wearing a shirt.
The answer is yes.

[QUESTION] If "Two men in baseball caps applying mortar to a wall." does that mean that "The men are completining their last job for the day."?
Options:
- yes
- it is not possible to tell
- no
The men are doing some work and that does not necessarily mean that they are completing their last job for the day.
The answer is it is not possible to tell.