Student asked: Premise: "A cook preparing a meal in a kitchen."
Hypothesis: "The cook is wearing a hair net."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Not all cooks preparing a meal would be wearing a hair net. The answer is it is not possible to tell.


Student asked: Given the sentence "A couple walks down the street holding hands while a man plays music." is it true that "The woman is knitting a shawl."?
Teacher's response: Let's think. It either a man playing music or a woman knitting a shawl. The answer is no.


Student asked: If "A woman and her dog out on the water." does that mean that "They are swimming."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A woman and her dog out on the water are not necessarily swimming. The answer is it is not possible to tell.


Student asked: Given the sentence "A man with a red hoodie under a gray jacket is sitting on a bench next to his backpack with his head down." can we conclude that "The man is sad."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Let's think. A man with his head down would not automatically be sad. The answer is it is not possible to tell.