Objects in the image:
category: boat
category: person
category: truck
category: person
category: bus

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: Yes
q: is it a boat?
a: No
q: is it a red truck?
a: No
q: is it a blue truck?
a: Yes
q: the whole thing?
a: Yes