Q: "Three workers are working on a metal roof" Does this mean that "There are roof workers outside fixing a roof."?
A: yes

Q: "Two men with orange vest leaning over a railing." Does this mean that "A rain cloud taunts picnickers."?
A: no

Q: "Boy with sports jersey getting teeth examined." Does this mean that "The boy is in a dentist examining chair."?
A: yes

Q: "Woman in red shirt and white cap rollerblading on gray surface." Does this mean that "The woman is practicing to enter a roller derby."?
A:
it is not possible to tell