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

Guessing-game dialogue about one of the objects:
q: is it a plane?
a: No
q: is it a person?
a: Yes
q: is he in a blue shirt?
a: N/A
q: is he in a vehicle?
a: No
q: is he walking?
a: N/A
q: is he on the pavement?
a: Yes