Objects in the image:
category: bench
category: potted plant
category: potted plant
category: clock
category: person
category: potted plant
category: train
category: stop sign

Guessing-game dialogue about one of the objects:
q: is it a train?
a: No
q: is it a person?
a: No
q: is it green?
a: No
q: is it a building?
a: No
q: is it blue?
a: No
q: is it white?
a: No
q: is it red?
a: No
q: is it black?
a: N/A
q: is it grey?
a: Yes