Objects in the image:
category: car
category: traffic light
category: traffic light
category: traffic light
category: person
category: person
category: bicycle
category: traffic light
category: bicycle
category: car
category: person
category: traffic light
category: bicycle
category: backpack

Guessing-game dialogue about one of the objects:
q: is it a bike?
a: No
q: is it a car?
a: No
q: is it alive?
a: Yes
q: are they at front of the picture?
a: Yes