Q: Given the sentence "A police officer and firemen are surveying a car wreck where a van has gone off-road." can we conclude that "There was a car wreck."?
Options:
- yes
- it is not possible to tell
- no
A: Surveying a car wreck is the same as there was a car wreck.
The answer is yes.

Q: If "Young men race each other in a marathon." does that mean that "People are competing in an olympic marathon."?
Options:
- yes
- it is not possible to tell
- no
A: Racing each other does not imply competing in an Olympic marathon.
The answer is it is not possible to tell.

Q: Can we conclude from "A band on stage signing to a group of fans." that "The band was brightly dressed in their stage costumes."?
Options:
- yes
- no
- it is not possible to tell
A: Not all bands are brightly dressed in their stage costumes while singing on stage.
The answer is it is not possible to tell.

Q: Premise: "Group of people sit and walk around in a fair style atmosphere."
Hypothesis: "A group of people at a fair are mingling."
Do we know that the hypothesis entailed by the premise?
A:
Sitting and walking is a form of mingling and a fair style atmosphere implies a fair.
The answer is yes.