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: is it an adult?
a: No
q: is he/she in the foreground?
a: No
q: is he/she wearing grey?
a: Yes