Student asked: Premise: "Sail boarder in midair."
Hypothesis: "While being towed behind a boat."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A person uses his new sail board for the first time. The answer is it is not possible to tell.

Student asked: Premise: "A man sitting on a bench."
Hypothesis: "The man is sitting down."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A man must be sitting down if he is sitting on a bench. The answer is yes.

Student asked: Test for natural language inference.
Premise: "A runner in the middle of a race running along side the road."
Hypothesis: "A runner in first place sprints for the finish."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. A runner in the middle of a race is not in first place. The answer is it is not possible to tell.

Student asked: Given the sentence "A small string orchestra plays in a church where a crowd looks on." can we conclude that "The music is nice."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. A small string orchestra plays in a church where a crowd looks on doesn't imply that the music is nice. The answer is it is not possible to tell.