Student asked: Premise: "A brunette man is welding a stair rail."
Based on this premise, can we conclude that the hypothesis "A man is working on a stair rail." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A man can weld a stair rail without working on a stair rail. The answer is it is not possible to tell.


Student asked: Given the sentence "A blue-painted rock musician poses on the sidewalk." can we conclude that "The musician is on a portable stage playing music."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A musician cannot be on a stage while posing on a sidewalk. The answer is no.


Student asked: Premise: "A young boy in a sports uniform stands in front of a group of children."
Hypothesis: "The boy was in his uniform."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The young boy is a boy and a sports uniform is also a uniform. The answer is yes.


Student asked: If "A man and a woman in a silver coat are on a city sidewalk with their backs to the camera." does that mean that "There is a husband and wife."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. Not all men are a husband and not all women are a wife. The answer is it is not possible to tell.