Objects in the image:
category: bench
category: person
category: bench
category: person
category: bench

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a building?
a: No
q: is it the rail?
a: No
q: is it a tree?
a: No
q: is it a bench?
a: Yes
q: Is someone sitting on it?
a: Yes