Q: "A couple smiling while at a function at a restaurant, with lights in the distance." Does this mean that "The couple are sitting down."?
A: it is not possible to tell

Q: "A woman with a dog canoe down a river." Does this mean that "A person is in a canoe with a dog."?
A: yes

Q: "Two unhappy-looking older people looking past the camera, the male holding a book and the woman wearing a fur coat." Does this mean that "The man with a book in his hand stands beside a women wearing a coat."?
A: yes

Q: "A person wearing red pants hides their head under a black jacket in front of a desk with many computers." Does this mean that "A person in green pants is drinking coffee."?
A:
no