Objects in the image:
category: person
category: person
category: car
category: car
category: car
category: person
category: person
category: person
category: person
category: car
category: person
category: traffic light
category: car

Guessing-game dialogue about one of the objects:
q: is it the no parking sign?
a: No
q: is it a person?
a: Yes
q: are they wearing a blue shirt?
a: Yes