Objects in the image:
category: person
category: person
category: person
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: Is he in a cop/security guard?
a: No
q: Is he in background?
a: Yes
q: Is he/she alone?
a: No
q: Is he wearing green jacket?
a: No
q: Is he wearing black jacket?
a: No
q: Is he wearing grey jacket?
a: Yes