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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it vehicle?
a: Yes
q: Is it green?
a: Yes
q: Bus on the left?
a: Yes
q: Only part of it?
a: No