Objects in the image:
category: umbrella
category: person
category: car
category: backpack
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: N/A
q: is it a building or part of a building?
a: No
q: is it a traffic sign?
a: No
q: is it a writing?
a: No
q: is it a street?
a: No
q: it this thing on the bottom corner of the window frame?
a: Yes
q: is it in one of the middle window frames?
a: No
q: is it a person?
a: N/A
q: is it in one of the top frames of the window?
a: No
q: is it on the right bottom of the window frame?
a: Yes
q: is it some thing to do with the two people wearing white tops?
a: Yes
q: is it one of them?
a: No
q: is it the umbrella?
a: No
q: is it the back thing on the back of one of the persons?
a: Yes