Objects in the image:
category: person
category: laptop
category: person
category: handbag
category: backpack
category: person
category: person
category: person
category: person
category: person
category: person
category: truck
category: bus

Guessing-game dialogue about one of the objects:
q: is a person?
a: No
q: vehicle ??
a: Yes
q: red bus?
a: No
q: the ambulance?
a: Yes