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: is it a vehicle?
a: No
q: is it a building?
a: No
q: is it a streetlight?
a: Yes
q: Is it the first one on the left?
a: Yes