Objects in the image:
category: backpack
category: person
category: person
category: person
category: bench
category: person
category: person
category: bench
category: person
category: person
category: person
category: sports ball
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: one of two in front?
a: No
q: close to the fence?
a: Yes
q: Is it one of the group of four sitting/standing together?
a: Yes
q: Is it the first one in red on the left?
a: No
q: Are they the second one standing?
a: No
q: is it one of group of four guys next to the fence?
a: Yes
q: is it one in grey sweat shirt?
a: Yes