Objects in the image:
category: traffic light
category: backpack
category: person
category: chair
category: pizza
category: person
category: chair
category: person
category: chair
category: fire hydrant

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it  the pizza?
a: No
q: is it a garbage can?
a: No
q: is it the bag?
a: No
q: it is one of the chair?
a: Yes
q: the one in which the person is sleeping?
a: Yes