[Q] Premise: "A mother and son walk along a dirt path."
Hypothesis: "There are several people on a hike."
Do we know that the hypothesis entailed by the premise?
[A] A mother and son are not several people. The mother and may be walking along a dirt path to get from one place to another and are not necessarily on a hike.
The answer is it is not possible to tell.

[Q] Premise: "A man practices his juggling in an empty amphitheater."
Hypothesis: "A man is juggling in front of people."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
[A] A man cannot be practicing his juggling in an empty amphitheater and in front of people the same time.
The answer is no.

[Q] Given the sentence "A table at penn state sponsored by a greek organization promotes the sale of basketball tickets." is it true that "A greek organization promotes basketball tickets."?
[A] A greek organization promoting basketball tickets is less descript way of saying the greek organization is promoting the sale of basketball tickets and what university they are at.
The answer is yes.