Q: "Three guys are on stage, one wearing a black shirt, one a beige shirt with a guitar and the microphone, and on in white." Does this mean that "They are playing rock music."?
A: it is not possible to tell

Q: "Two men Nordic ski racing while others watch from behind." Does this mean that "Two guys have on skis."?
A: yes

Q: "A skateboarder jumps another skateboard." Does this mean that "A person is performing moves on a skateboard."?
A: yes

Q: "A man in a hard hat is standing on a roof." Does this mean that "A man working on a window."?
A:
no