Student asked: Premise: "Person in a beige colored coat and hat sitting on the sidewalk while people walk past him."
Hypothesis: "A person in a beige coat watches people walking past him."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The person not necessary watches people. The person could be minded his own business. The answer is it is not possible to tell.

Student asked: Premise: "An older man is standing alone on a sidewalk at night."
Based on this premise, can we conclude that the hypothesis "An older man is waiting for the bus." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. An older man is standing alone on a sidewalk at night does not mean that he is waiting for the bus. The answer is it is not possible to tell.

Student asked: Test for natural language inference.
Premise: "A child is looking through a fence."
Hypothesis: "While holding a smaller child."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. A child wished he didn't have to watch his younger sibling. The answer is it is not possible to tell.

Student asked: Given the sentence "A man walks past a graffitied area." can we conclude that "A man walks past the graffiti he has put up."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. A man walks past a graffitied area does not imply that he walks past the graffiti he has put up. The answer is it is not possible to tell.