Leo: Test for natural language inference.
Premise: "An elderly man in a blue hat sitting on a cement wall while looking at the ground."
Hypothesis: "A man is sad and is looking at the ground."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Mei: OK, So, let's think first...
Me:
Not all elderly man in a blue hat sitting on a cement wall is sad.
Thus, the answer is it is not possible to tell.