Objects in the image:
category: car
category: train
category: motorcycle
category: motorcycle
category: person
category: car
category: person
category: person
category: car
category: car
category: truck
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it the train?
a: Yes
q: are there separate parts of the train to select?
a: No
q: should i select the front part of the train?
a: Yes