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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it the skateboard?
a: No
q: is it in the background?
a: Yes
q: is it on the floor?
a: No
q: is it on the ceiling?
a: No
q: is it the window behind the people at the back?
a: No
q: is it the blue or purple table that the people are standing behind?
a: No
q: is it black or very dark color?
a: No
q: is it a wall?
a: No
q: is it a door?
a: No
q: is it on the blue table that the people are standing behind?
a: Yes
q: is it touching the person wearing red or orange?
a: No