Objects in the image:
category: person
category: truck
category: person
category: person
category: person
category: car
category: person
category: person
category: car
category: bus
category: suitcase
category: bus

Guessing-game dialogue about one of the objects:
q: a person?
a: No
q: vehicle ??
a: Yes
q: green ??
a: Yes
q: first one?
a: Yes