Objects in the image:
category: baseball glove
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it something being worn or used by the people?
a: Yes
q: is it the glove?
a: Yes
q: is it the black glove being work by the player wearing white striped shirt?
a: No
q: is it the black gloves being worn by the referee?
a: No
q: is it the catching mitt being worn by the player wearing the blue jersey?
a: Yes