Q: "A woman in a green shirt running a race." Does this mean that "A woman is competing in an athletic event."?
A: yes

Q: "A woman wearing a white shirt is playing a slot machine." Does this mean that "A woman is driving."?
A: no

Q: "Two people wearing flip-flops and shorts walking down the street." Does this mean that "Two people are walking down a street."?
A: yes

Q: "Little boy in a red Radio Flyer Town and Country wagon." Does this mean that "A wagon has very large wheels."?
A:
it is not possible to tell