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

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is it in right?
a: No
q: is it a truck?
a: Yes
q: is it the long one with blue banner?
a: No
q: is the one with metallic container?
a: No
q: is it the one moving under the bridge?
a: No
q: is it the one on the bridge?
a: No
q: is it the small one next to the truck with metallic container?
a: Yes