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

Guessing-game dialogue about one of the objects:
q: a person??
a: N/A
q: a horse??
a: No
q: a car??
a: No
q: is it a bag??
a: Yes
q: the one on the back of the guy wearing white tee at the back?
a: Yes