Objects in the image:
category: stop sign
category: car
category: fire hydrant

Guessing-game dialogue about one of the objects:
q: is it the building?
a: No
q: is it on the building?
a: No
q: is it the sidewalk?
a: No
q: is it on the sidewalk?
a: Yes
q: is it a vehicle?
a: No
q: is it green?
a: No
q: is it orange?
a: No
q: is it red?
a: No
q: is it yellow?
a: Yes
q: is it the fire hydrant?
a: Yes