Objects in the image:
category: bench
category: person
category: bench
category: bench
category: bench
category: bench
category: bench
category: bench
category: person
category: skateboard
category: person
category: person
category: bench
category: person

Guessing-game dialogue about one of the objects:
q: Is it the skateboard?
a: No
q: Is it a person?
a: Yes
q: Is he riding the skateboard?
a: No
q: Is he sitting?
a: Yes
q: left one?
a: No