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

Guessing-game dialogue about one of the objects:
q: is a person?
a: No
q: is a train?
a: No
q: is made of steel?
a: No
q: is clock ?
a: Yes