Objects in the image:
category: person
category: person
category: backpack
category: hot dog
category: person
category: person
category: person
category: bus
category: person

Guessing-game dialogue about one of the objects:
q: is a person?
a: Yes
q: with white shirt in the back?
a: No
q: with the blue shirt?
a: Yes
q: without a backpack?
a: Yes