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

Guessing-game dialogue about one of the objects:
q: is the object a vehicle?
a: No
q: is it green?
a: No
q: is the object on a vehicle?
a: No
q: do you walk on it?
a: No
q: do you drive on it?
a: No
q: is it yellow?
a: No
q: is it blue?
a: Yes
q: is it inside of the bus?
a: Yes
q: can you sit on the object?
a: No
q: is it on the front of the bus?
a: No