Objects in the image:
category: car
category: person
category: person
category: traffic light
category: car
category: bus
category: person
category: traffic light
category: person
category: person
category: person
category: person
category: person
category: person
category: car
category: person
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: person ??
a: No
q: vehicle ??
a: Yes
q: red bus ??
a: No
q: black car on left?
a: Yes