[QUESTION] Given the sentence "A ballerina poses with christmas lights." is it true that "A dancer is performing."?
A ballerina is another word for dancer and when she poses she usually performs.
The answer is yes.

Q: Can we conclude from "A man in a blue shirt is standing in a doorway." that "A man lays in bed."?
Options:
- yes
- no
- it is not possible to tell
A: A man who lays in bed can't be standing in a doorway.
The answer is no.

QUESTION: Premise: "Guy getting really into his guitar solo."
Hypothesis: "A man is playing a guitar."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: A guy is a man. Someone who is into his guitar solo is playing a guitar.
The answer is yes.

[QUESTION] Premise: "A man in a gray t-shirt and jeans smiles at the camera while sitting in a crowd at an outdoor event."
Based on this premise, can we conclude that the hypothesis "A man stays home to read a book." is true?
Options:
- yes
- it is not possible to tell
- no
Either the man is sitting outdoors with a crowd or staying home. He is presumably home alone.
The answer is no.

Q: Given the sentence "Pictures on a white brick wall with a smiling man standing in front of the wall." can we conclude that "All the walls are white."?
Options:
- yes
- it is not possible to tell
- no
A: Just because one wall is white does not mean that all the walls are white.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "A man is washing the windows of a brick building." is it true that "A man is washing windows."?
If the man is washing windows in a brick building then he is washing windows.
The answer is yes.