Objects in the image:
category: person
category: bench
category: person
category: person
category: umbrella

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it the person in front wearing a brown jacket under the blue umbrella?
a: No
q: is it the person with the red/black jacket behind her?
a: No
q: is it the person in the blue jacket in the background?
a: Yes