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

Guessing-game dialogue about one of the objects:
q: is it human?
a: Yes
q: is it in air?
a: No
q: is it to left side of red object?
a: No
q: is it to right side of red object?
a: Yes
q: is its face seen?
a: No
q: is it in blue shirt?
a: Yes
q: is it whole person seen?
a: Yes