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

Guessing-game dialogue about one of the objects:
q: vehicle / ?
a: Yes
q: left half of picture?
a: No
q: right half of picture?
a: Yes
q: is it going parallel to the picture?
a: Yes
q: yellow / ?
a: Yes