Q: "Someone dressed in a gray top looks on as the bowl rolls down the lane on lane eight at the colorful bowling alley." Does this mean that "They are bowling."?
A: yes

Q: "A man is riding a bicycle." Does this mean that "A man is on a yellow bike."?
A: it is not possible to tell

Q: "An older man in a red shirt playing an instrument." Does this mean that "The musician wears red."?
A: yes

Q: "A man and woman standing at a mountain overlook." Does this mean that "A man and a woman go rock-climbing."?
A:
no