Objects in the image:
category: person
category: umbrella
category: person
category: sports ball
category: person
category: person
category: person
category: person
category: person
category: person
category: horse
category: person
category: person
category: horse
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is he on a horse?
a: Yes
q: is he on a white horse?
a: Yes