Objects in the image:
category: bicycle
category: person
category: person
category: car
category: person
category: person
category: car
category: person
category: backpack
category: suitcase
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: the person with the sign?
a: No
q: the walking woman?
a: No
q: the guy in blue shirt behind the woman?
a: No
q: the bigger shadowy figure in the back?
a: Yes
q: the smaller shadowy figure in the back?
a: No
q: the guy on the bike?
a: No