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

Guessing-game dialogue about one of the objects:
q: Is it ridiculously difficult to guess?
a: No
q: Is it in the foreground?
a: No
q: Is it a vehicle?
a: No
q: Is it a lightpost or a signal?
a: Yes
q: Is it the stoplight in the center?
a: Yes
q: Is it the one shining red?
a: No
q: Is it the other one in the center?
a: Yes
q: Do I have to click on a specific part of it?
a: No