Objects in the image:
category: car
category: person
category: car
category: car
category: bus
category: bus

Guessing-game dialogue about one of the objects:
q: is it on the bus?
a: No
q: is it next to the bus?
a: No
q: is it green?
a: No
q: is it in the background?
a: Yes
q: is it on the right side?
a: No
q: is it on top?
a: No
q: is it another bus?
a: No
q: is it another vehicle?
a: Yes
q: is it black?
a: No