Objects in the image:
category: person
category: train
category: person
category: bird
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: is the object human?
a: Yes
q: is it in the front row?
a: No
q: is it ahead of the big tree?
a: Yes
q: is it in the 2nd row?
a: Yes