Objects in the image:
category: person
category: person
category: person
category: tennis racket
category: person
category: person
category: bench
category: person

Guessing-game dialogue about one of the objects:
q: is it in the background?
a: Yes
q: is it a person?
a: No
q: is it metal?
a: No
q: is it blue?
a: No
q: is it being sat on?
a: Yes