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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: riding a bike?
a: No
q: on the skateboard?
a: No
q: on the left side?
a: Yes
q: wearing black?
a: Yes