The ideas for the SOP come in part from the inspector's committee. But, alas, they are written by lawyers. Hence, poor wording is frquently the result.

#3 and #5 are substantially different in intent. #3 intends to say"if it's supposed to vent to the exterior, but doesn't, report it. #5 intended to say "a vent is always required, so if you don't see one report it.