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

Guessing-game dialogue about one of the objects:
q: bus / ?
a: No
q: person / ?
a: No
q: on right half of picture?
a: Yes
q: beyond the fence?
a: Yes
q: vehicle / ?
a: Yes
q: red / ?
a: Yes