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

Guessing-game dialogue about one of the objects:
q: Is this object a building?
a: No
q: Is this object a person?
a: Yes
q: Is this person wearing red?
a: No
q: Is this person wearing blue?
a: Yes
q: Is this person on the left?
a: No