Objects in the image:
category: chair
category: laptop
category: person
category: backpack
category: bench
category: person
category: bench
category: person
category: person

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it a seat?
a: No
q: Is it man made?
a: Yes
q: Is it touching the people?
a: Yes
q: Is it the laptop?
a: No
q: Is it touching the standing guy in green?
a: No
q: Is it touching one of the guys on the bench?
a: No
q: Is it touching the person in the grey hat?
a: Yes
q: Is it under her seat?
a: Yes
q: Is it a black thing?
a: Yes