Q: "A man with a blue hat is standing next to some bikes and a crowd of people." Does this mean that "A man in a crowd of people."?
A: yes

Q: "Two people are moving the hose as others work in the garden." Does this mean that "There are people working in the garden."?
A: yes

Q: "Two men use their skateboards in the middle of the street." Does this mean that "The skateboards are colorful."?
A: it is not possible to tell

Q: "A man is pouring something from a can onto a sandwich." Does this mean that "The man made the sandwich for lunch."?
A:
it is not possible to tell