Objects in the image:
category: traffic light
category: truck
category: traffic light
category: person
category: person
category: bus
category: bus
category: person
category: backpack
category: person
category: person
category: person
category: traffic light
category: truck

Guessing-game dialogue about one of the objects:
q: Does it have wheels?
a: Yes
q: Is it red?
a: Yes