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

Guessing-game dialogue about one of the objects:
q: it is the train,?
a: No
q: a person?
a: Yes
q: in the background on left?
a: No
q: on right?
a: Yes
q: the guy with a hat?
a: Yes