Q: "The man with sunglasses and a striped shirt is walking down the street with three cases of beer." Does this mean that "The man is loading beer onto a truck."?
A: no

Q: "Two little girls in red and black costumes are posing for a picture." Does this mean that "The boys are in costume."?
A: no

Q: "Three people talk at the top of some stairs." Does this mean that "They are having a pleasent conversation."?
A: it is not possible to tell

Q: "teacher, with her students." Does this mean that "A teacher talks to her students."?
A:
yes