Q: "A shop or building with a man and a woman standing in the front." Does this mean that "The couple is shopping."?
A: it is not possible to tell

Q: "Young boys with backpacks walking down a street." Does this mean that "two girls play dress up"?
A: no

Q: "A man holds a guitar and sings." Does this mean that "A man who can't sing is playing a ukulele."?
A: no

Q: "Two people have their heads down on a table while a man in a brown jacket looks out the window at a group of bikes and motorcycles." Does this mean that "two people are asleep at a table"?
A:
it is not possible to tell