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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it the female with the brown back pack?
a: No
q: is it the person wearing black crossing the street with a duffle bag?
a: Yes