[QUESTION] Given the sentence "A professional biker in a race." is it true that "A man is racing."?
The professional biker could be a woman and not a man.
The answer is it is not possible to tell.

Q: Can we conclude from "Man in black with one foot on top of a ladder and arms performing a task on a storefront." that "A man sits on a bench."?
Options:
- yes
- no
- it is not possible to tell
A: You cannot sit on a bench and stand on a ladder at the same time.
The answer is no.

QUESTION: Given the sentence "An athlete pole vaults in a field with buildings in the background." is it true that "The man is swinging a bat."?

Let's solve it slowly: A man that vaults in a field cannot be swinging a bat the same time.
The answer is no.

[QUESTION] Given the sentence "A group of bicycle riders in a street race are dressed in all different colors." can we conclude that "A group of cyclists are racing downhill."?
Options:
- yes
- it is not possible to tell
- no
The cyclists racing does not necessarily mean they are going downhill.
The answer is it is not possible to tell.

Q: Premise: "A woman is sitting at a table and looking into her american girl place shopping bag."
Based on this premise, can we conclude that the hypothesis "A woman looks for her receipt." is true?
Options:
- yes
- it is not possible to tell
- no
A: Looking in a bag does not imply looking for a receipt.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "The guy in the blue shirt and jeans performs a grab trick on his skateboard." can we conclude that "A guy is riding his bike to school."?
Options:
- yes
- it is not possible to tell
- no
One can't do tricks on a skateboard while riding a bike.
The answer is no.