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

Guessing-game dialogue about one of the objects:
q: Is it the train?
a: No
q: Is it a house?
a: No
q: Is it a sign?
a: No
q: Is it the rock to the right?
a: No
q: Is it a car?
a: No
q: Is it a person?
a: Yes
q: Is the person wearing white?
a: No
q: Is the person wearing green?
a: No
q: Is the person wearing black?
a: Yes
q: Is the person sitting in the 4th window from the left?
a: No
q: Is the person sitting in the 6th window from the left?
a: No
q: Is the person in the first window?
a: Yes