Objects in the image:
category: traffic light
category: truck
category: train
category: person

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: No
q: is it a building?
a: No
q: is it yellow in color?
a: No
q: is it a signal post?
a: No
q: is it a person?
a: Yes
q: is he in the truck?
a: Yes