Objects in the image:
category: person
category: bottle
category: skateboard
category: skateboard
category: backpack

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it a roller skate?
a: No
q: Is it a bottle?
a: No
q: Is it red in color?
a: Yes
q: Is it black in color?
a: No
q: Is it the black item on the floor touching the wall?
a: No
q: Is it a backpack?
a: No
q: Is it shoes?
a: No
q: Is it the shirt worn by the person?
a: No
q: Is it a jacket?
a: No
q: Is it wheels?
a: Yes
q: Is it one of the rear wheels of the roller skate?
a: Yes
q: Is it the left rear wheel of the roller skate?
a: N/A