Reconstruct a question, answer pair from this explanation: Someone standing near the edge of a sidewalk is not necessarily waiting for a bus.
Q:Can we conclude from "A white man with black clothing stands near the edge of a sidewalk with a bunch of people standing or walking around behind him." that "A guy waits for a bus while people walk past."?
Options:
- yes
- no
- it is not possible to tell
A:it is not possible to tell