Objects in the image:
category: person
category: horse
category: person
category: person
category: horse
category: person
category: person
category: person
category: person
category: horse
category: person
category: person
category: person
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a horse?
a: No
q: is it a person riding a horse?
a: Yes
q: is this person's horse fully on the ground?
a: Yes
q: is this person's horse white?
a: Yes