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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it a building?
a: No
q: Is it a ramp?
a: No
q: Is it a tree?
a: No
q: Is it a window?
a: No
q: Is it a skateboard?
a: Yes