Objects in the image:
category: person
category: truck
category: truck
category: truck
category: truck
category: airplane
category: airplane
category: person
category: person
category: airplane
category: truck
category: person
category: truck
category: truck
category: person

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