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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: Is it one of the group of 5-6 in the front?
a: No
q: in the line at the back?
a: Yes
q: closer to the right of the line?
a: No
q: to the right of the big tree in the center of the photo?
a: Yes
q: between it and the first tree on its right?
a: No
q: between that tree and the tree after is in the line?
a: No
q: so in the right half of the line?
a: No
q: behind a tree?
a: No
q: one of the first 10 to the left?
a: No
q: Is it number 11 or 12?
a: Yes
q: 11 ??
a: Yes
q: just to the left of the tree?
a: No
q: just to the right?
a: Yes