[QUESTION] Premise: "A man wearing a blue suit is standing on a roof with a mop and bucket."
Based on this premise, can we conclude that the hypothesis "The man is wearing blue." is true?
Options:
- yes
- it is not possible to tell
- no
A man wearing blue is definitely same as a man wearing blue.
The answer is yes.

Q: Given the sentence "A group of people holding bags are standing in line for a train." is it true that "People are at the bus stop."?
A: Either people are standing for a train (which would be underground) or at the bus stop (which would be above ground). They cannot do both simultaneously.
The answer is no.

QUESTION: Test for natural language inference.
Premise: "A man sits on a folding chair outside while listening to music on his ipod."
Hypothesis: "The man stands on the sidewalk listening to the marching band that is passing by."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: One can not be sitting on a folding char while he stands on the sidewalk. Listening to iPod is different than listening a live marching band pass by.
The answer is no.

[QUESTION] If "A young man in a blue shirt with white shorts volleys a tennis ball." does that mean that "A young woman in a blue shirt with white shorts volleys a tennis ball."?
Options:
- yes
- it is not possible to tell
- no
You ca n play tennis whether you are a man or woman.
The answer is no.

Q: Given the sentence "A man in glasses is wearing a dark coat." can we conclude that "A man in a polo shirt puts in contact lenses."?
Options:
- yes
- it is not possible to tell
- no
A: Glasses are different optical pieces to contact lenses. A dark coat means the man isn't wearing just the polo shirt.
The answer is no.

[QUESTION] Premise: "Four boys looking out from a boat."
Hypothesis: "Four teenage boys are sitting in a boat and looking out through binoculars."
Do we know that the hypothesis entailed by the premise?
Looking out from a boat does not mean the boys are looking out through binoculars.
The answer is it is not possible to tell.