Objects in the image:
category: person
category: truck
category: person
category: bus
category: person
category: person
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is the person on the right side of screen?
a: No
q: is person on left side of screen?
a: No
q: is person in middle of screen?
a: Yes
q: is it the person in the forefront?
a: No
q: is it the person behind the person in the forefront?
a: Yes