Objects in the image:
category: truck
category: person
category: person
category: backpack
category: person
category: bus
category: person
category: person
category: person
category: person
category: person
category: person
category: person
category: umbrella
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a vehicle?
a: No
q: is it umbrella?
a: Yes
q: in the right?
a: Yes