Objects in the image:
category: bench
category: chair
category: person
category: train
category: bench
category: couch
category: clock
category: train
category: backpack
category: person
category: train
category: person
category: handbag
category: person
category: person
category: person
category: person

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 a bench?
a: No
q: is it a clock?
a: No
q: is it a sofa?
a: No
q: is it a bag?
a: Yes
q: is it the lady on the bench who has the bag?
a: Yes