[Q] If "Several people walk up a staircase." does that mean that "The people are sitting in a cafe."?
Options:
- yes
- it is not possible to tell
- no
[A] The people can not walk up the staircase and sit at the same time.
The answer is no.

[Q] Given the sentence "A group of people are on a work boat that is in the water." is it true that "Some people are getting ready to fix a broken ship."?
[A] Being on a boat does not imply getting ready to fix it.
The answer is it is not possible to tell.

[Q] Given the sentence "A woman speaks with a speaker at a presentation." can we conclude that "Two people are speaking."?
Options:
- yes
- it is not possible to tell
- no
[A] A woman and a speaker are the two people that are speaking.
The answer is yes.