Q: Premise: "Young people chat outside near a buzy street."
Hypothesis: "They are talking about the weather."
Do we know that the hypothesis entailed by the premise?
A: Young people chatting outside are not necessarily talking about the weather.
The answer is it is not possible to tell.

Q: Given the sentence "A man in black cap is taking photo." can we conclude that "A man is working on a computer indoors."?
Options:
- yes
- it is not possible to tell
- no
A: If one is taking a photo one is not working on a computer.
The answer is no.

Q: If "A lost dog trying to find some food in a pizza restaurant." does that mean that "The dog is at the restaurant."?
Options:
- yes
- it is not possible to tell
- no
A: A dog that is lost can find food at a restaurant.
The answer is yes.

Q: Given the sentence "Three police officers conversing rollerblades." can we conclude that "Roller blade cops are at the board walk."?
Options:
- yes
- it is not possible to tell
- no
A:
Police officers could be conversing rollerblades at many places and nothing implies that they are at the board walk.
The answer is it is not possible to tell.