Q: "2 kids playing on a seesaw" Does this mean that "Two kids playing basketball."?
A: no

Q: "People walking through the mall." Does this mean that "People are in the mall"?
A: yes

Q: "A boy in a blue shirt holds a toy helmet in his hands while standing on a path in a park." Does this mean that "A boy is holding a toy helmet."?
A: yes

Q: "The boy runs across the court with the basketballs." Does this mean that "A boy runs to put away the balls after basketball practice."?
A:
it is not possible to tell