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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a bike?
a: Yes
q: is it red?
a: No
q: is it in the front?
a: N/A
q: is it black?
a: No