Student asked: Premise: "A boy and girl walk in shallow water."
Hypothesis: "The old people are walking in shallow water."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. Boy and girl are words to describe young people and old people are not young. The answer is no.


Student asked: If "A young child in a pool wearing a life vest." does that mean that "The child is taking swimming lessons."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The child's presence in a pool and in a life vest does not mean that the child is receiving swimming lessons. The answer is it is not possible to tell.


Student asked: Premise: "A skier is upside down on skis with trees in the background."
Based on this premise, can we conclude that the hypothesis "A skier is upside down on a snowboard inside a department store." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The skier cannot presumably be outside and inside a department store at the same time. The answer is no.


Student asked: Premise: "Man surfing on board with his dog in the ocean."
Based on this premise, can we conclude that the hypothesis "The man and his dog are running through the park." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. The man surfing on board cannot be the one running through the park. The answer is no.