Consider the question. Test for natural language inference.
Premise: "A man wearing a dark jacket looks into a mirror while rubbing shaving cream on his chin and cheek."
Hypothesis: "As another man looks on from the background."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
 If the answer is 'it is not possible to tell'; explain the reasoning:
The man about to shave doesn't know anyone is behind him.