[QUESTION] If "A man in a wetsuit with a surfboard walks along a beach." does that mean that "A man walks on the beach without a surfboard."?
Options:
- yes
- it is not possible to tell
- no
A person with a surfboard cannot also be without a surfboard.
The answer is no.

[QUESTION] Can we conclude from "Asian school children are on a field trip listening to a speech." that "Except for one girl who is posing for the camera."?
Options:
- yes
- no
- it is not possible to tell
Children smoke cigarettes because that's the cool thing to do nowadays.
The answer is no.

[QUESTION] Given the sentence "A man in jeans and a blue long-sleeved shirt is on his phone while leaning on the edge of a building." can we conclude that "A man is talking to his girlfriend on the phone."?
Options:
- yes
- it is not possible to tell
- no
Not all men on their phone are talking and not all men talking on the phone are talking to their girlfriend.
The answer is it is not possible to tell.

[QUESTION] If "Several men walking in the rain under an umbrella." does that mean that "Several men are walking along the beach in sunny weather."?
Options:
- yes
- it is not possible to tell
- no
The weather cannot be both rainy and sunny (or it is highly unlikely).
The answer is no.