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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it a mountain?
a: No
q: Is a person sitting on it?
a: Yes
q: Can you ride it?
a: Yes
q: Is it being held on the pavement?
a: Yes