Q: "People are watching a man balance a silver ball on his arms." Does this mean that "The group of children applaud the man for balancing a silver ball at the circus."?
A: it is not possible to tell

Q: "The band is performing on the football field." Does this mean that "Band is on the field."?
A: yes

Q: "Three men sit, and one man stands, on the back of a vehicle." Does this mean that "The group stands on the back of a truck"?
A: it is not possible to tell

Q: "A woman wearing sunglasses is laying her head on a backpack like a pillow." Does this mean that "A woman is wearing white sunglasses."?
A:
it is not possible to tell