Student asked: Premise: "A group of twenty or so people posing for a picture."
Hypothesis: "People are standing together."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. A group of twenty or so people are standing together and posing for a picture. The answer is yes.

Student asked: Premise: "A woman runs beside a concrete wall."
Hypothesis: "She is grilling hamburgers at a birthday party."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. A woman who runs beside a concrete wall can't be grilling hamburgers at a birthday party at the same instant. The answer is no.

Student asked: Given the sentence "A young man with a red turned backwards cap is in midair while performing a trick with his skateboard at night dusk." is it true that "A man preforms in front of others."?
Teacher's response: Let's think. The man might be performing alone and not in front of others. The answer is it is not possible to tell.

Student asked: Test for natural language inference.
Premise: "A man and a young girl relax outside and smile at the camera."
Hypothesis: "The people are father and daughter."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. A man is not always a father and a daughter is not always young. The answer is it is not possible to tell.