Objects in the image:
category: bus
category: motorcycle
category: person
category: person
category: truck
category: person
category: truck
category: suitcase
category: suitcase
category: person
category: suitcase
category: suitcase
category: suitcase
category: person

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: Yes
q: is it in middle?
a: Yes
q: is it the front one?
a: No
q: is it behind the white bus?
a: Yes