root   ::= init " " mediaCommand
prompt ::= init

# leading space is very important!
init ::= " ok whisper start listening for commands"

mediaCommand ::= (
	"toggle " media " window"?
	| mediaOpen " " media " window"?
	| "turn "? media " window"? (" on" | " off")
	)
	
media ::= "music" | "radio" | "podcast" | "audiobook" | "tv show" | "movie"

mediaOpen ::= (
	"show"
	| "bring up"
	| "open"
	| "view"
	| "pull up"
	| "display"
	)