Objects in the image:
category: backpack
category: person
category: person
category: person
category: backpack
category: suitcase
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it the guy in the grey sweatshirt and black pants?
a: No
q: is it the guy in white pants and a black bag?
a: No
q: are they walking toward the camera?
a: Yes