Q: "A man playing several instruments in front of a window." Does this mean that "The man knows how to play more than one instrument."?
A: yes

Q: "People walk on a street next to a stone building." Does this mean that "a family takes a walking tour"?
A: it is not possible to tell

Q: "A woman sits reading at a laundromat." Does this mean that "The woman is doing some reading."?
A: yes

Q: "Three men working along side the road under a tunnel in construction." Does this mean that "The male is doing tricks."?
A:
no