## Test for various cases not found in walkthroughs.
foo
-n
+y
seed 1801426495
+cave
listen
forward
eat
drink
find keys
+inven keys
in
listen
keys
lock
unlock
throw
+attack
unlock chain
fill urn
eat keys
+off keys
+break keys
+wake keys
+take keys
+throw keys
+eat food
drink blood
+drink keys
+light keys
brief
+frob grate
+read grate
+grate
+building
on
xyzzy
+take rod
+wave rod
listen
quit
n