Objects in the image:
category: person
category: person
category: cell phone
category: person
category: handbag

Guessing-game dialogue about one of the objects:
q: is a person?
a: No
q: Is it a sign?
a: No
q: is a clothing?
a: No
q: is a stair?
a: No
q: is metal o?
a: No
q: is escalator o?
a: No
q: is a wall?
a: No
q: is floor o?
a: No