Q: If "The lady with the brown shirt on is talking with the guy with the white shirt on the sidewalk." does that mean that "A couple of people are talking angrily on the sidewalk."?
Options:
- yes
- it is not possible to tell
- no
A: Not all lady talking with the guy is talking angrily at him.
The answer is it is not possible to tell.

Q: Premise: "A man sleeping on the street."
Hypothesis: "A homeless drug addict sleeps on the street."
Do we know that the hypothesis entailed by the premise?
A: A man sleeping on the street does not have to be a homeless drug addict.
The answer is it is not possible to tell.

Q: Can we conclude from "The three rock stars are members of a band who are playing at a concert where the colors red and black are prominent." that "A crowd watching a band."?
Options:
- yes
- no
- it is not possible to tell
A: Playing at a concert does not necessarily imply that the crowd is watching.
The answer is it is not possible to tell.

Q: Can we conclude from "A crowd of people walk down a busy alleyway." that "A crowd of people walk down a busy street."?
Options:
- yes
- no
- it is not possible to tell
A:
An alleyway is a small passage way for walkers and different to a street which is a much broader route for people and vehicles.
The answer is no.