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

Guessing-game dialogue about one of the objects:
q: is a person?
a: No
q: traffic light??
a: Yes
q: showing green??
a: No