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

Guessing-game dialogue about one of the objects:
q: Is it human?
a: No
q: Is it a skateboard?
a: No
q: Is it a bag?
a: No
q: Is it on the bag?
a: No
q: Is it a hat?
a: No
q: Is it on the person?
a: No
q: Is it a seat?
a: Yes
q: Is the person sitting on it?
a: Yes