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

Guessing-game dialogue about one of the objects:
q: is it human?
a: Yes
q: is it wearing a yellow vest?
a: Yes
q: is it wearing red?
a: No
q: is it partly blocked from view by luggage?
a: Yes
q: is it immediately behind a blue bag?
a: Yes
q: is it on the left of another man who is also partly obstructed from view?
a: Yes