Objects in the image:
category: bus
category: truck
category: stop sign

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: No
q: is it a house?
a: No
q: is it a plant?
a: No
q: is it a sign?
a: Yes
q: is it green?
a: No
q: is it a stop sign?
a: Yes