[QUESTION] Premise: "Two guitar players play for an audience."
Based on this premise, can we conclude that the hypothesis "Two clarinet players are preforming at a concert hall." is true?
Options:
- yes
- it is not possible to tell
- no
Guitar players who play for an audience can't be performing clarinet at the same time.
The answer is no.

[QUESTION] Test for natural language inference.
Premise: "A man in black is cleaning the roof of a building with a jet of water."
Hypothesis: "Bob was cleaning his roof with a jet of water."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
He was cleaning his roof with water because he was cleaning the roof of a building with water.
The answer is yes.

[QUESTION] If "A man wearing sunglasses and walking with a cane is crossing the street." does that mean that "A man is carrying a bouquet of flowers and walking into a post office."?
Options:
- yes
- it is not possible to tell
- no
One cannot be walking into a post office and crossing the street simultaneously.
The answer is no.

[QUESTION] Given the sentence "A softball player with the number ten on the back of her blue jersey is running toward home plate." can we conclude that "The softball player is the number 10."?
Options:
- yes
- it is not possible to tell
- no
The player has the number ten on the back of her jersey therefore she is player number 10.
The answer is yes.