Q: "A graffiti artist paints over a poster on a brick wall." Does this mean that "A woman spraypaints over an advertisement."?
A: it is not possible to tell

Q: "Two men are wrestling without any shirts on while a judge or ref of some sort starts to interfere." Does this mean that "two people wrestle while another steps in."?
A: yes

Q: "Dog on a red leash with a woman." Does this mean that "A young boy is taking his dog for a walk."?
A: no

Q: "A young boy around the age of ten is cooking steaks on a grill outside on his wooden porch." Does this mean that "The little boy is barbecuing outside."?
A:
yes