Objects in the image:
category: bicycle
category: bus
category: umbrella
category: person
category: person
category: person
category: car
category: umbrella
category: person
category: traffic light
category: bicycle
category: person
category: person
category: person
category: person
category: car
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is it street light?
a: No
q: is it building?
a: No
q: is it umbrella?
a: Yes
q: the one right in front?
a: No
q: the one above person in black clothes?
a: Yes