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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: Are they carrying a skateboard?
a: No
q: Are they wearing a yellow shirt?
a: No
q: Are they wearing a hat?
a: No
q: Is it the guy in the back wearing a blue shirt?
a: Yes