Q: "A lead choir singer with the rest of the choir singing in the background of a concert hall." Does this mean that "The choir is dressed in black."?
A: it is not possible to tell

Q: "A man with his head covered by a scarf looks opposite of the camera at other pedestrians walking by, while talking on cellphones." Does this mean that "A woman at home, checking e-mails."?
A: no

Q: "Three friends on a stroll in the forest." Does this mean that "Team met's are working"?
A: no

Q: "A Drayton Manor Theme Park roller coaster is shown accelerating downwards vertically on a red colored track with several visible people making either happy, excited or scared faces." Does this mean that "The people are havign fun"?
A:
it is not possible to tell