Objects in the image:
category: person
category: fire hydrant
category: backpack
category: person
category: person
category: person
category: bench
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it yellow?
a: No
q: is it a bench?
a: No
q: is it a lamp post?
a: No
q: is it a building?
a: No
q: is it a trash can?
a: No
q: is it a boat?
a: No
q: is it on a person?
a: Yes
q: is it a backpack?
a: Yes