Objects in the image:
category: bird
category: bicycle
category: person
category: umbrella
category: person
category: bicycle
category: person
category: person
category: person
category: person
category: person
category: bicycle

Guessing-game dialogue about one of the objects:
q: Is it a biker?
a: No
q: A bike?
a: Yes
q: Is it the bike of the first person?
a: No
q: Is the bike of the woman in the middle?
a: Yes