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

Guessing-game dialogue about one of the objects:
q: is it the person?
a: No
q: is it thing with person?
a: No
q: is it lights?
a: No
q: is it rail track?
a: No
q: is it bench?
a: Yes
q: is it one of the two in right side of picture?
a: No
q: is it on the left side of picture?
a: Yes