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

Guessing-game dialogue about one of the objects:
q: is it an airplane?
a: No
q: is it a firetruck?
a: Yes
q: is it the firetruck on the right?
a: Yes