Please answer the following question by reasoning step-by-step.
Premise: "A woman is staring outside to a man in a gray jacket not looking back at her."\nHypothesis: "The woman doesn't know the man."\nIs the hypothesis entailed by the premise?\nOptions:\n- yes\n- it is not possible to tell\n- no

it is not possible to tell
The woman could know the man even if he doesn't notice her.

.

So, the final answer is it is not possible to tell