[QUESTION] Given the sentence "An old man playing the violin is being watched by a child." is it true that "A man plays a piano while children watch."?
You can not play the violin and piano simultaneously. One child is less than several children.
The answer is no.

Q: Given the sentence "A bus rider wearing a blue shirt looks out of the window." is it true that "The bus rider is wearing loafers."?
A: Just because a bus rider is wearing a blue shirt it doesn't mean they are wearing loafers.
The answer is it is not possible to tell.

QUESTION: Given the sentence "A man does a bicycle trick on a concrete obstacle." can we conclude that "A man is participating in a bike competition."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A man who does a bicycle trick on an obstacle is not necessarily participating in a bike competition.
The answer is it is not possible to tell.

[QUESTION] Premise: "A young lady dressed in a black blouse and skirt posing for a picture."
Hypothesis: "The lady poses for her graduation picture."
Do we know that the hypothesis entailed by the premise?
The lady does not necessarily have to be posing for a graduation picture.
The answer is it is not possible to tell.

Q: Premise: "Two boys are reading a book in the bathroom."
Based on this premise, can we conclude that the hypothesis "Two boys in the bathroom." is true?
Options:
- yes
- it is not possible to tell
- no
A: Boys reading in the bathroom is equivalent to the boys being in the bathroom.
The answer is yes.

[QUESTION] If "The lady with the brown shirt on is talking with the guy with the white shirt on the sidewalk." does that mean that "A couple of people are talking angrily on the sidewalk."?
Options:
- yes
- it is not possible to tell
- no
Not all lady talking with the guy is talking angrily at him.
The answer is it is not possible to tell.