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

Guessing-game dialogue about one of the objects:
q: is it a plane?
a: No
q: is it a bus?
a: Yes
q: is it white?
a: No
q: is it red  yellow and green?
a: Yes
q: is it on the left?
a: No