Objects in the image:
category: person
category: person
category: backpack
category: person
category: horse
category: person
category: car
category: person
category: person
category: person
category: person
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: the horse?
a: No
q: the bag?
a: Yes
q: on the back of the man wearing white and blue dress?
a: Yes