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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it yellow?
a: No
q: does it have wheels?
a: No
q: is it white?
a: No
q: does it have a bulb?
a: No
q: does the person wear a back pack?
a: Yes