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

Guessing-game dialogue about one of the objects:
q: Is the object a person?
a: Yes
q: Is the object wearing red?
a: No
q: Is the object wearing gray?
a: Yes
q: Is the object wearing shorts?
a: No