Student asked: Can we conclude from "A man with advertising signs stands on the sidewalk reading a newspaper." that "A man is watching cars on the street."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. A man cannot watch cars while he is reading a newspaper. The answer is no.


Student asked: Premise: "A snowboarder is grinding on a rail down a slope with snow all around."
Based on this premise, can we conclude that the hypothesis "A snowboarder poses in front of the ski lift." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. One cannot be grinding on a rail down a slope while posing in front of a ski lift. The answer is no.


Student asked: Given the sentence "A man works in a bike shop." can we conclude that "The man is an employee of the bike shop."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Just because A man works in a bike shop doesn't mean he is an employee. The answer is it is not possible to tell.


Student asked: Premise: "A boy learning how to swim."
Based on this premise, can we conclude that the hypothesis "A boy is swimming." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. When someone learns to swim they are in fact swimming even if not good at it yet. The answer is yes.