[Q] Given the sentence "The sooners quarterback is waiting for the snap from his center." is it true that "The man is bent over."?
[A] A quarterback doesn't necessarily have to be bent over while waiting for a snap.
The answer is it is not possible to tell.

[Q] Can we conclude from "A person climbing a rock face." that "The climber is skipping."?
Options:
- yes
- no
- it is not possible to tell
[A] One can not be climbing and skipping at the same time.
The answer is no.

[Q] Given the sentence "Three boys in swimming trunks are diving into the lake." is it true that "The boys are sitting on the grass near the lake."?
[A] Boys can't be sitting on the grass and diving into a lake at the same moment.
The answer is no.