QUESTION: Given the sentence "Four hunks of meat spin on a spit while a man cuts food with a knife in the background." is it true that "Men picking up food from a truck."?

Let's solve it slowly: A man cannot cuts food with a knife while picking up food from a truck.
The answer is no.

QUESTION: Given the sentence "Young asian art students are focusing on their work in a very large class." is it true that "Students are learning to paint."?

Let's solve it slowly: Learning to paint is not the only type of work art students might do.
The answer is it is not possible to tell.

QUESTION: Given the sentence "A girl bounces in a harness with a building in the background." is it true that "A girl is near the building."?

Let's solve it slowly:
A girl that bounces in a harness with a building in the background is near the building.
The answer is yes.