Objects in the image:
category: person
category: person
category: person
category: person
category: truck
category: person
category: person
category: car
category: car
category: car
category: person
category: bicycle
category: person
category: person
category: person
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a human?
a: No
q: is it a vehicle?
a: No
q: is it a helmet?
a: No
q: is it a bicycle?
a: Yes
q: is the bicycle on the hill?
a: Yes