Q: "A young woman wearing a black and red striped shirt stands in front of a microphone, across stage from a guitar player." Does this mean that "A young woman is wearing a black and red striped shirt."?
A: yes

Q: "People raising their hands at a concert." Does this mean that "People are waving their hands to music."?
A: it is not possible to tell

Q: "A man in a safety vest is kneeling down and working on a train." Does this mean that "A man is fixing the car."?
A: no

Q: "A senior citizen man in a jogging suit is skateboarding." Does this mean that "an old man is skateboarding"?
A:
yes