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

Guessing-game dialogue about one of the objects:
q: is it on the middle platform?
a: No
q: is it on the right side of the trains?
a: No
q: is it on one of the trains?
a: No
q: is it a vehicle?
a: Yes
q: is it the car in the background between the trains?
a: Yes