Objects in the image:
category: person
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 person?
a: No
q: is it part of the train?
a: No
q: is it on the ground?
a: Yes
q: is it on the left half of picture?
a: No
q: is it in the middle of picture?
a: No
q: is it a tree?
a: No
q: is it under the train on the right?
a: No
q: is it a field on the right?
a: No
q: is it rocks under train?
a: No
q: is it next to the person on the ground?
a: No
q: but it's on the ground?
a: Yes
q: is it a track?
a: No
q: is it a board laying almost horizontal?
a: No
q: is it the ground?
a: No