Q: Given the sentence "A boy swings a baseball bat." is it true that "And a catcher stands behind him."?
A: A boy is swinging a bat while the ball is thrown to the catcher.
The answer is it is not possible to tell.

Q: Premise: "People walking or riding a bike around in the sand at dusk."
Hypothesis: "The people are going home from along day of exercising."
Do we know that the hypothesis entailed by the premise?
A: Just because riding a bike around in the sand doesn't mean they are going home from along day of exercising.
The answer is it is not possible to tell.

Q: Given the sentence "A black dog leaps in the air while a woman yells in the background." can we conclude that "The black dog is taking a nap under a lemon tree."?
Options:
- yes
- it is not possible to tell
- no
A: If the dog leaps in the air then it cannot be taking a nap as it would be asleep then.
The answer is no.

Q: Premise: "A man opens in the middle of a crowd."
Hypothesis: "A human in a crowd."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A:
A man who opens in the middle of a crowd is also a human in a crowd.
The answer is yes.