Objects in the image:
category: truck
category: fire hydrant
category: car
category: truck
category: truck
category: person
category: truck
category: truck

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it something on the roof?
a: No
q: is it a semi?
a: Yes
q: is it the one furthest down on left edge of picture?
a: No
q: is it red?
a: No
q: is it the first one all white?
a: Yes
q: is it the whole semi?
a: Yes