Objects in the image:
category: bus
category: truck
category: person
category: traffic light
category: person
category: person
category: person
category: car
category: traffic light
category: car
category: traffic light
category: traffic light
category: traffic light
category: traffic light
category: person
category: traffic light
category: traffic light
category: person
category: clock
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: a vehicle?
a: No
q: the signal?
a: Yes
q: is it in the left most of the image?
a: No
q: right to the clock?
a: Yes
q: above the car?
a: Yes
q: full signal?
a: No
q: only black part?
a: Yes