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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: Is a person wearing it?
a: Yes
q: is it the person on a vehicle?
a: No
q: are they wearing gray pants?
a: Yes
q: is it their helmet?
a: No
q: is it their backpack?
a: Yes