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

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: Is it a skateboard?
a: No
q: is it bicycle?
a: No
q: is it blue thing near it?
a: No