Q: "A man chiseling art out of a piece of stone." Does this mean that "The man has spent days already on this project"?
A: it is not possible to tell

Q: "A woman wearing a pale shirt and jeans is sitting on a couch next to a man in a maroon shirt." Does this mean that "A can of pop explodes."?
A: no

Q: "A boy and his brother are playing with sticks and swords." Does this mean that "A boy is playing with his brother"?
A: yes

Q: "A male is wearing a yellow shirt and being watched by a few other people." Does this mean that "People watch a man in a yellow shirt."?
A:
yes