Objects in the image:
category: person
category: person
category: person
category: person
category: bench
category: person
category: bench
category: backpack
category: person
category: backpack
category: backpack
category: train
category: person
category: person
category: person
category: person
category: handbag
category: handbag
category: handbag

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it a train car?
a: No
q: Is someone carrying it?
a: Yes
q: Is it a bag?
a: Yes
q: Is it red?
a: No
q: Is it green?
a: No
q: Is it black?
a: No
q: Is it blue?
a: Yes
q: Is the man in front carrying it?
a: No
q: Is it behind the man in front?
a: N/A