Objects in the image:
category: person
category: person
category: person
category: person
category: person
category: person
category: person
category: person
category: motorcycle
category: person
category: backpack
category: person

Guessing-game dialogue about one of the objects:
q: is it human?
a: Yes
q: is it in the background spectators?
a: Yes
q: is it to right side of the biker's helmet?
a: Yes
q: is it in red top?
a: No
q: is it to right side of one in red top?
a: No
q: is it in black shirt or jacket?
a: No
q: is wearing light blue top?
a: Yes