Objects in the image:
category: person
category: person
category: person
category: truck
category: person
category: truck
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: Is it the dump truck?
a: Yes
q: person  ??
a: No
q: is a person wearing it?
a: No
q: is it a machine?
a: No
q: is it a person?
a: No
q: is it a vehicle?
a: Yes
q: is it white?
a: Yes
q: is it the whole vehicle?
a: Yes