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

Guessing-game dialogue about one of the objects:
q: person ??
a: No
q: bus ??
a: Yes
q: yellow one?
a: N/A
q: behind green with violet one?
a: Yes
q: it touching the right edge of picture?
a: Yes