QUESTION: Given the sentence "Two bikers riding close together while onlookers stand in the back behind a fence." is it true that "Two bikers race each other."?

Let's solve it slowly: Just because two bikers ride close together does not make it a race. Bikers tend to stick together on the road for visibility and safety.
The answer is it is not possible to tell.


QUESTION: Given the sentence "A young girl and a woman smile for the camera." can we conclude that "Two people are taking a picture of a lizzard."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: One can either smile for the camera or take a picture of something else.
The answer is no.


QUESTION: Given the sentence "Young man in a gray sweatshirt playing a guitar video game." is it true that "A man plays a video game alone."?

Let's solve it slowly:
Men can play video games either alone or with other people.
The answer is it is not possible to tell.