Q: "Two girls in green sweatshirts pose outside." Does this mean that "Two girls are laughing while outside."?
A: it is not possible to tell

Q: "Firefighters putting out a big fire." Does this mean that "The firefighters are cold."?
A: no

Q: "An overcrowded bus traveling down the street with people hanging off the back of it." Does this mean that "a bus is travelling"?
A: yes

Q: "An overweight lady falls asleep in a waiting room." Does this mean that "This lady is underweight."?
A:
no