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

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: Yes
q: is it a bus/truck?
a: Yes
q: is it green?
a: Yes
q: is it just behind the blue bus?
a: Yes