QUESTION: Given the sentence "Two young men pretend to attack a third man with a colorful prop knife." is it true that "Three people are in a play."?

SOLUTION: Let's solve this gradually. Two men attacking a third with a prop knife does not imply that they are in a play.
Answer is it is not possible to tell.

QUESTION: Given the sentence "A man ramps his dirt bike off of a large rock." is it true that "A man flips upside down midair on his dirt bike."?

SOLUTION: Let's solve this gradually. Ramping of a large rock doesn't imply that the man flips upside down midair.
Answer is it is not possible to tell.

QUESTION: If "A band plays on stage in front of an audience." does that mean that "A band playing at a concert."?
Options:
- yes
- it is not possible to tell
- no

SOLUTION: Let's solve this gradually. A band plays on stage in front of an audience does not indicate that a band playing at a concert.
Answer is it is not possible to tell.

QUESTION: Premise: "A young man attempts to ride a unicycle down an outdoor stairway stained with moss."
Hypothesis: "Two friends race on dirt bikes."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

SOLUTION:
Let's solve this gradually. Two friends means two individuals and so the term can't refer to only a young man. It is not possible for someone who attempts to ride a unicycle to also race on dirt bikes at the same exact instant.
Answer is no.