Q: Can we conclude from "A woman in a black shirt gives a presentation while projecting slides onto a screen." that "A lady is at a medical conference."?
Options:
- yes
- no
- it is not possible to tell
A: A lady giving a presentation can be anywhere. Not necessarily in a medical conference.
The answer is it is not possible to tell.

Q: Given the sentence "Three men in a crevice in a street." can we conclude that "Three men are outside."?
Options:
- yes
- it is not possible to tell
- no
A: If the men are in a crevice in a street then they are outside.
The answer is yes.

Q: Premise: "What a bad call at the sports bar by the baseball umpire."
Hypothesis: "There are people watching the game at the sports bar."
Do we know that the hypothesis entailed by the premise?
A: Just because a bad call happened at a sports bar doesn't mean there are people watching the game.
The answer is it is not possible to tell.

Q: Given the sentence "A woman in a white shirt is shown from behind in a cemetery." can we conclude that "The woman is wearing brown loafers."?
Options:
- yes
- it is not possible to tell
- no
A:
Nothing about the first sentence indicates that the women is wearing brown loafers.
The answer is it is not possible to tell.