Objects in the image:
category: bicycle
category: bicycle
category: person
category: person
category: truck
category: person
category: backpack
category: elephant

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it an elephant?
a: No
q: is a person holding it or wearing it?
a: No
q: is it on the elephant?
a: No
q: is it one of the bikes?
a: Yes
q: ridden by the person in yellow?
a: Yes