Objects in the image:
category: person
category: traffic light
category: person
category: bus
category: person
category: car
category: suitcase
category: person
category: person
category: person
category: suitcase
category: person
category: person
category: car
category: suitcase
category: suitcase
category: traffic light
category: suitcase
category: person

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: Yes
q: is it the bus?
a: No
q: is it the car behind the bus?
a: No
q: is it the car behind it?
a: Yes