Objects in the image:
category: car
category: person
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: the one on the skateboard?
a: No
q: the one on the blue bike?
a: No
q: are they wearing dark colors?
a: No
q: are they wearing red?
a: No