Objects in the image:
category: person
category: person
category: person
category: backpack
category: skis
category: bus
category: person
category: backpack
category: bicycle
category: backpack
category: person
category: snowboard
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is it in left?
a: No
q: is it bus/van?
a: Yes
q: is in blue in front?
a: Yes