[Q] If "Three men work on a piece of equipment." does that mean that "The five men painted the street."?
Options:
- yes
- it is not possible to tell
- no
[A] Three men is not equal to five men and working on a piece of equipment is not the same as having painted the street.
The answer is no.

[Q] Given the sentence "A man with a red jacket is shielding himself from the sun trying to read a piece of paper." is it true that "A man is sitting inside reading the newspaper."?
[A] The man wouldn't need to shield himself from the sun if he was sitting inside.
The answer is no.

[Q] Given the sentence "A man with a mustache and a guitar sings for tips on the street." is it true that "A man sings on the street."?
[A] The man sings for tips on the street is the same as sings on the street.
The answer is yes.