For this chain-of-thought reasoning and answer, what was the question?
Not all girls running down the street are running after their boyfriend.
 A: it is not possible to tell
Q: Premise: "Young girl in green shirt and sandals runs down the street."
Based on this premise, can we conclude that the hypothesis "A girl runs after her boyfriend." is true?
Options:
- yes
- it is not possible to tell
- no