Student asked: Premise: "A man diving with a snorkeling mask in his hand."
Hypothesis: "A man is at the ocean."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The ocean is not the only place to go diving with a snorkeling mask. The answer is it is not possible to tell.

Student asked: Given the sentence "Young adults are proud of cleaning up." can we conclude that "Old men relaxing."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Yong is not old and adults can be men or women. The answer is no.

Student asked: Premise: "War veteran taking a load off after enjoying a cold budweiser."
Based on this premise, can we conclude that the hypothesis "War veteran fighting with the enemies on the war field." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A veteran is either fighting with the enemies or enjoying a budweiser. The answer is no.

Student asked: Premise: "A kid wearing headphones sits on his mom's shoulders while in a crowd."
Based on this premise, can we conclude that the hypothesis "The child is wearing his mom's headphones." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. The headphones might not be the mom's headphones. They could belong to anyone. The answer is it is not possible to tell.