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 a truck?
a: Yes
q: is it blue?
a: No
q: this on the bridge?
a: No
q: from left to right. is the first? gas truck?
a: No
q: from left to right. is the second?
a: Yes
q: is under bridge?
a: Yes