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

Guessing-game dialogue about one of the objects:
q: Is it alive?
a: Yes
q: Is it in a vehicle?
a: No
q: Is the person wearing a hat?
a: No
q: Is it a tree?
a: No
q: Is the person wearing pants?
a: No