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: a piece of machinery?
a: Yes
q: yellow one?
a: No
q: dump truck??
a: Yes
q: the whole thing?
a: Yes