Objects in the image:
category: person
category: person
category: person
category: person
category: frisbee
category: bench
category: bottle
category: person
category: bottle
category: person
category: bottle
category: person
category: backpack
category: bottle
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it something a person is holding or wearing?
a: No
q: is it black?
a: Yes
q: is it the black case sitting on the grass?
a: Yes