Given the sentence "Two young sisters pose while sitting on a big red quad." is it true that "The sisters are posing for a picture."?

it is not possible to tell
Explanation: Sisters may strike a pose without doing so for a picture..

If "A boy riding a zip line and another behind him waiting his turn." does that mean that "The boy is wearing red."?
Options:
- yes
- it is not possible to tell
- no

it is not possible to tell
Explanation: The red color of the boy's clothes cannot be inferred from the boy behind him..

Can we conclude from "A man with a hat on is reading behind a woman in a heavy coat." that "A man is reading."?
Options:
- yes
- no
- it is not possible to tell

yes
Explanation: A man with a hat on is reading implies a man is reading..

Given the sentence "A boy slides down an inflatable water slide." is it true that "A boy sits at the top of a water slide."?
no
Explanation: One cannot slide down a water slide while he sits at the top..