Q: "A woman gestures at a party." Does this mean that "She is very upset, and is pointing at a man."?
A: it is not possible to tell

Q: "A blond woman playing bongos while three others look on." Does this mean that "Four people are watching or making music."?
A: yes

Q: "Two women discussing a topic at the library." Does this mean that "Women are discussing their favorite book from the book club."?
A: it is not possible to tell

Q: "A young boy wearing a red winter coat is eating and holding up a candy bar." Does this mean that "A boy in a red coat eats a candy bar next to a neon sign."?
A:
it is not possible to tell