Objects in the image:
category: person
category: backpack
category: car
category: person
category: bicycle
category: car
category: backpack
category: person
category: person
category: person
category: sports ball
category: person
category: car
category: car
category: bench
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: are they sitting down?
a: No
q: are they wearing red?
a: No
q: are they standing next to the bike?
a: No
q: are they wearing blue?
a: Yes