Q: "two guys one in red and the other in black sitting at computers" Does this mean that "two guys sitting at computers"?
A: yes

Q: "A boy is looking on a strange purple object in his friends hair." Does this mean that "A person is looking on a strange purple object in his friends hair."?
A: yes

Q: "A man being struck during some form of martial arts competition." Does this mean that "The man fell down when he was hit."?
A: it is not possible to tell

Q: "A blond-haired girl is standing in playing position in front of a bowling lane." Does this mean that "There's a girl standing by a bowling lane."?
A:
yes