Q: Given the sentence "A group of girls reading some lines." is it true that "The group of girls were rehearsing."?
A: The girls reading lines does not necessarily mean they are rehearsing.
The answer is it is not possible to tell.

Q: Premise: "City workers clean up a mess of garbage in the middle of a street."
Hypothesis: "City workers clean up a mess of garbage in the middle of a street that was left by the bad storms that rolled through earlier."
Do we know that the hypothesis entailed by the premise?
A: Garbage in the street is not necessarily caused by bad storms that rolled through earlier.
The answer is it is not possible to tell.

Q: If "A asian women rides a bike while wearing a respirator mask." does that mean that "A mask covered the womans face as she rode her bike."?
Options:
- yes
- it is not possible to tell
- no
A: To be wearing a mask would tell us that it covered the womans face.
The answer is yes.

Q: Given the sentence "A man with a hat his holding two frisbees outside." can we conclude that "A man is in a park."?
Options:
- yes
- it is not possible to tell
- no
A:
Being outside does not imply that he is in a park.
The answer is it is not possible to tell.