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

Guessing-game dialogue about one of the objects:
q: is it human?
a: No
q: skate board?
a: Yes
q: the one in front?
a: Yes