Student asked: Premise: "Singer in white shirt smiling."
Based on this premise, can we conclude that the hypothesis "The singer is in black." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. If the singer is in a white shirt then they cannot be in black. The answer is no.

Student asked: Test for natural language inference.
Premise: "A woman with short gray hair in a white blouse leans over a gravestone."
Hypothesis: "The woman is drinking scotch at the bar."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. The woman leaning over a gravestone can't be drinking scotch in a bar at the same time. The answer is no.

Student asked: Premise: "Dog in plants crouches to look at camera."
Based on this premise, can we conclude that the hypothesis "A dog chewing on a squeaky toy." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A dog can not be crouching if he is chewing on a toy. The answer is no.

Student asked: Premise: "People wait for their luggage at the airport."
Hypothesis: "A group of people are talking on their phone waiting for their bags."
Do we know that the hypothesis entailed by the premise?
Teacher's response:
Let's think. People can be waiting for luggage without talking on their phone or engaging in any other activity. The answer is it is not possible to tell.