Objects in the image:
category: train
category: car
category: backpack
category: bus
category: car
category: handbag
category: person
category: person
category: car
category: person

Guessing-game dialogue about one of the objects:
q: is it human?
a: No
q: Is it a train car?
a: No
q: is it a car?
a: No
q: is it something attached to a human?
a: Yes
q: is it a bag carried by a guy in red?
a: Yes