Objects in the image:
category: backpack
category: person
category: frisbee
category: umbrella
category: person
category: chair
category: person
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it an item being worn or held?
a: No
q: is it on the ground?
a: Yes
q: is it blue?
a: No
q: is it that red item in the back?
a: Yes