Objects in the image:
category: person
category: person
category: person
category: person
category: person
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 railing?
a: No
q: is it in the foreground?
a: Yes
q: is it an article of clothing?
a: No
q: is it the stairs?
a: No
q: is it a ramp?
a: No
q: is it the flat part at the top of the stairs/ramp?
a: No
q: is it the flat part at the base of the ramp?
a: No
q: is it the skateboard?
a: Yes