[QUESTION] Given the sentence "Brown dog crouching in grass looking up." is it true that "A dog is lying on the sofa."?
Either the dog is crouching in grass or lying on a sofa. The dog cannot occupy both places at one time.
The answer is no.

[QUESTION] Premise: "Group of american camel riders on a dirt road smiling and having fun."
Based on this premise, can we conclude that the hypothesis "A group of people in the rain." is true?
Options:
- yes
- it is not possible to tell
- no
Group of camel riders smiling and having fun are not necessarily in the rain.
The answer is it is not possible to tell.

[QUESTION] Premise: "A boy in an open hawaiian shirt is making the longhorns symbol with his hand."
Based on this premise, can we conclude that the hypothesis "A boy making symbol to alert his friend." is true?
Options:
- yes
- it is not possible to tell
- no
We can't say he does it to alert his friend; it is probably a regular gesture.
The answer is it is not possible to tell.

[QUESTION] If "Three construction workers smoothing new sidewalk cement in a city." does that mean that "Constructions working put down new cement to replace the old one."?
Options:
- yes
- it is not possible to tell
- no
Smoothing a new sidewalk does not imply that there was an old one.
The answer is it is not possible to tell.