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

Guessing-game dialogue about one of the objects:
q: is train ,?
a: No
q: is it person?
a: Yes
q: is it in front?
a: No
q: is it 2nd from front?
a: No
q: i in backmost last one?
a: No
q: is in train?
a: Yes
q: i 3rd from front?
a: Yes
q: i only small shown?
a: Yes