Objects in the image:
category: bus
category: car
category: person
category: person
category: person
category: car
category: bench
category: person
category: person
category: bench
category: person
category: car
category: person
category: car
category: person
category: person
category: bench
category: car

Guessing-game dialogue about one of the objects:
q: is it a building?
a: No
q: is it on wheels?
a: Yes
q: does it carry a lot of people at one time?
a: Yes