Q: Premise: "A man with a mohawk is sweeping a skate park."
Based on this premise, can we conclude that the hypothesis "The man is at the skate park sweeping." is true?
Options:
- yes
- it is not possible to tell
- no
A: Sweeping a skate park is not the same as being at a skate park sweeping.
The answer is it is not possible to tell.

Q: Given the sentence "Two bald men sit on chairs and look at a computer." is it true that "The men are looking at porn."?
A: Just because men look at a computer doesn't imply looking at porn.
The answer is it is not possible to tell.

Q: Premise: "A group of people marching past an old building."
Based on this premise, can we conclude that the hypothesis "A group of people outside on the street." is true?
Options:
- yes
- it is not possible to tell
- no
A: People passing an old building is a longer way to say outside.
The answer is yes.

Q: Given the sentence "Firefighters using equipment outside of a firetruck." is it true that "Firefighters go on lunch break."?
A:
One can not be using equipment and go on lunch simultaneously.
The answer is no.