There is a woman at the window of a building getting ready to hang a small piece of clothing on a clothesline right outside , which already contains some articles of clothing .
There is a very good chance that a person is standing at a window inside of an apartment building .
There is a very good chance that a person is standing at a window inside of an apartment building .
It is highly unlikely that a person is standing at a window inside of an apartment building .
A person is standing at a window inside of an apartment building .