[QUESTION] Can we conclude from "A young guy in a black windbreaker smiles at someone." that "An old guy shouts angrily at the crowd passing by."?
Options:
- yes
- no
- it is not possible to tell
A person cannot smile and shout at once. Also is it a young guy or an old guy.
The answer is no.

[QUESTION] Premise: "Two young people are kissing."
Hypothesis: "Love is in the air as two young folks are together."
Do we know that the hypothesis entailed by the premise?
If two young people are kissing then love must be in the air.
The answer is yes.

[QUESTION] Given the sentence "A man and woman ride their bikes across a city street." is it true that "The woman is faster than the man."?
Riding their bikes does not imply the woman is faster than the man.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "Two men are riding in a speed boat." can we conclude that "Two men in a boat."?
Options:
- yes
- it is not possible to tell
- no
Riding in a speed boat denotes the type of boat the two men are in.
The answer is yes.