Objects in the image:
category: truck
category: boat
category: motorcycle
category: truck
category: backpack
category: boat
category: motorcycle

Guessing-game dialogue about one of the objects:
q: is it a bike?
a: No
q: is it a ship?
a: No
q: is it a vehicle?
a: No
q: is it on the motor bike?
a: Yes
q: is it a helmet?
a: No
q: is it a bag?
a: Yes
q: is it on top of the seat?
a: Yes
q: is it dangling from the seat?
a: No