Maybe the syntax recognizer is picky in your home. Try "open door" or even "open bathroom door".
Who knows, maybe your residence would prefer you tried to pee in a potted plant for some
bizarre adventure game reason.
Hallway
You are in your hallway. Your living room is to the south and your bedroom is to the north.
The bathroom door on the east wall is closed.
There is a potted plant here.
You have to pee very badly