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

Guessing-game dialogue about one of the objects:
q: it is someone?
a: No
q: a motorcycle?
a: Yes
q: the red one in front?
a: No
q: the one behind?
a: Yes
q: the black one?
a: Yes