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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a skateboard?
a: No
q: is it a bike?
a: Yes
q: the bike leaning on the wall on the left edge of the photo?
a: Yes