Q: "A boy helps to push a young girl on the swing." Does this mean that "A boy helps push a girl."?
A: yes

Q: "a bmx rider jumps off a ramp." Does this mean that "A bmx rider jumps off a ramp and falls."?
A: it is not possible to tell

Q: "A homeless person is sleeping on the street in front of a red door." Does this mean that "A homeless person was sleeping on the street"?
A: it is not possible to tell

Q: "lots of people at a swap meet in a parking lot." Does this mean that "People gather at a furniture swap meet."?
A:
it is not possible to tell