Q: "A snowboarder jumps across a snowy hill." Does this mean that "A snowboarder in the air."?
A: yes

Q: "A sculptor is carving stone." Does this mean that "A sculptor is carving"?
A: yes

Q: "A group of women are listening to a presentation given by a woman in a lab coat." Does this mean that "A group of women listening to a presentation."?
A: yes

Q: "A man in a vest stands on a quiet street." Does this mean that "A man waits for a cab."?
A:
it is not possible to tell