Objects in the image:
category: clock
category: backpack
category: person
category: person
category: person
category: person
category: person
category: person
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: the clock?
a: No
q: a person?
a: Yes
q: left of clock?
a: Yes
q: walking on dark staircase?
a: Yes
q: the rightmost one?
a: Yes