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 bike?
a: No
q: something on bike?
a: No
q: is it ship?
a: No
q: boat ??
a: No
q: is it in background?
a: Yes
q: is it something on big ship?
a: No
q: is it some sort of vehicle?
a: Yes
q: is it white in color?
a: Yes
q: Is it the medium sized white and sky blue ship?
a: No
q: Is it something towards the left side of the image from the ship we referred to in the last question?
a: Yes
q: Is it the large white truck in the background?
a: Yes