+> attack
+
+The shell is very strong and is impervious to attack.
+
+> take oyster
+
+OK
+
+Interesting. There seems to be something written on the underside of
+the oyster.
+
+> lock oyster
+
+Huh?
+
+> drop oyster
+
+OK
+
+> take oyster
+
+OK
+
+> read oyster
+
+Hmmm, this looks like a clue, which means it'll cost you 10 points to
+read it. Should I go ahead and read it anyway?
+
+> y
+
+It says, "There is a way out of this place. Do you need any more
+information to escape? Sorry, but this initial hint is all you get."
+