Student asked: Premise: "A gray-haired man singing in a crowd and playing an acoustic guitar."
Based on this premise, can we conclude that the hypothesis "The man is playing an electric guitar." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. An electric guitar is not the same as an acoustic guitar. The answer is no.

Student asked: Test for natural language inference.
Premise: "A young woman dressed in winter clothes is sledding down a snowy slope with a sledding male behind her."
Hypothesis: "A woman and a man are sledding down a snowy hill."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. A women and man sledding down a snowy hill is a rephrasing of a women is sledding down a snowy slope with a male behind her. The answer is yes.

Student asked: Test for natural language inference.
Premise: "Competing bicyclists prepare for the start of a race."
Hypothesis: "The competing bicyclists are ready for the race."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. People who prepare for the race are getting ready for the race. The answer is yes.

Student asked: Premise: "Five people are standing in front of a wall overlooking a large body of water while they are holding musical instruments over their left shoulder and over their backs."
Based on this premise, can we conclude that the hypothesis "The men are waiting to start an outdoor music festival." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. People could be men or women and holding instruments doesn't mean that they are waiting to start an outdoor music festival. The answer is it is not possible to tell.