Objects in the image:
category: backpack
category: bench
category: person
category: cell phone
category: person
category: bench
category: bench
category: person
category: bench
category: bench
category: bench

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it something a person is holding?
a: No
q: is it attached to a person?
a: No
q: is it a bench?
a: No
q: is a person touching the item?
a: Yes
q: is it clothing?
a: Yes
q: is it a tree?
a: No
q: is it touching the person in the front holding the camera?
a: No
q: is it a blue/black color?
a: Yes
q: does the guy in the back have his arm over it?
a: Yes