[Q] Given the sentence "Two people smile at the camera while holding a sign." is it true that "Someone is holding a sign."?
[A] Someone holding a sign implies they are one of two people holding a sign.
The answer is yes.

[Q] Premise: "A man in midair doing a flip."
Hypothesis: "A man is in the air."
Do we know that the hypothesis entailed by the premise?
[A] The man doing a flip implies he is in the air.
The answer is yes.

[Q] Can we conclude from "A motor biker gets massive air off a dirt jump." that "A biker is jumping through the air."?
Options:
- yes
- no
- it is not possible to tell
[A] The act of jumping requires air to be present below the biker.
The answer is yes.