Objects in the image:
category: bottle
category: person
category: person
category: person
category: person
category: backpack
category: person
category: chair
category: chair
category: person
category: person
category: person
category: sports ball
category: person
category: person
category: backpack
category: person
category: person

Guessing-game dialogue about one of the objects:
q: a person?
a: Yes
q: one in the group in the front?
a: No
q: one in the group in the right back?
a: Yes
q: wearing orange color?
a: No
q: wearing black?
a: Yes
q: tallest one?
a: Yes