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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it used for playing tennis?
a: No
q: Does it contain match information?
a: No