Objects in the image:
category: person
category: person
category: horse
category: person
category: person
category: person
category: person
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: Yes
q: rider ??
a: No
q: spectator ??
a: Yes
q: in one of bottom rows?
a: No
q: Is just his or her head visible?
a: No
q: is he on the left side of the picture?
a: No
q: middle ??
a: No
q: right side?
a: Yes
q: wearing blue?
a: No
q: there ids green railing in the middle is it above that?
a: No
q: below the railing?
a: Yes
q: wearing gray?
a: Yes
q: person ..probably lady ....next to that square looking thing?
a: Yes