Objects in the image:
category: person
category: tennis racket
category: tennis racket
category: bench
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 a bat?
a: N/A
q: is it a net?
a: N/A
q: is it a sitting stand?
a: N/A