Objects in the image:
category: person
category: truck
category: kite
category: car
category: train
category: kite
category: bus
category: boat
category: truck
category: person
category: bus
category: train
category: car
category: car
category: bus
category: truck

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a boat?
a: No
q: is it a trolley?
a: Yes
q: is it the trolley on the right?
a: No
q: is the the trolley in the middle?
a: No