S = SD and S | SD
SD = Search | Destroy
Search = "you must find " Item " and bring it to " Place
Destroy = "you must " Kill " " (Item | Creature) " which is lurking in " Place


Place =WAdj WTown
WAdj = "Bryn" | "Wynn" | "Ard" | "Glad" | "Cyn" | "Penn" | "Bel"
WTown = " Athen" | " Mawr" | "more" | ("wyd" | "wood")

Creature = "The Butcher Of Boston" | "Satan's Little Helper" | "Demitar"
Kill = "kill" | "slay" | "murder"
Item = "The STAGE Server" | "The Windows 95 Source Code" | "a cellular phone" | "a herring"
and  = "and " | "additionally, "