Objects in the image:
category: bicycle
category: person
category: bicycle
category: person
category: person
category: tennis racket
category: tennis racket
category: person
category: bicycle
category: person
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a fence?
a: No
q: is it a racket?
a: No
q: is it a net?
a: No
q: is it on  person?
a: No
q: is it in the background?
a: No
q: is it a shadow?
a: No
q: is it a bike?
a: Yes
q: is it the one on the left?
a: Yes