Objects in the image:
category: truck
category: fire hydrant
category: person
category: person
category: person
category: person
category: car
category: car
category: person
category: person
category: car
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a street?
a: No
q: is it a car?
a: No
q: is it a person?
a: Yes
q: is it on front?
a: No
q: is it left?
a: Yes
q: is it first left?
a: No
q: is there only head of person?
a: No
q: is person in blue?
a: Yes