Objects in the image:
category: truck
category: umbrella
category: truck
category: car
category: bicycle
category: car
category: person
category: bus
category: person

Guessing-game dialogue about one of the objects:
q: is it a building?
a: No
q: is it a bicycle?
a: No
q: is it an umbrella?
a: No
q: is it the person on the bicycle?
a: No
q: is it a vehicle?
a: Yes
q: is it the white bus?
a: No
q: is it the van on the other side of the fence?
a: Yes