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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is he in black?
a: No
q: is he in blue?
a: Yes
q: is he swinging?
a: Yes