For this chain-of-thought reasoning and answer, what was the question?
Not all young man talking to a young woman is flirting and trying to get a girl's number.
 A: it is not possible to tell
Q: Premise: "A young man sitting on stone steps talking to a young woman wearing a scarf."
Hypothesis: "A young man is flirting and trying to get a girl's number."
Do we know that the hypothesis entailed by the premise?