QUESTION: If "A woman in a jacket and pearls at a book signing." does that mean that "A woman is at a book store."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A woman at a book signing is not necessarily at a book store.
The answer is it is not possible to tell.

QUESTION: If "A woman skier smiles for the camera while on a snowy slope." does that mean that "A female skier poses on a mountain."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A woman skier and a female skier are the same thing and mountains have slopes.
The answer is yes.

QUESTION: Premise: "A baseball player raises the bat above his head."
Hypothesis: "A ball is above the man's head."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
Ball above the man's head indicated that the baseball player is about to swing at the ball.
The answer is yes.