## Test for various cases not found in walkthroughs.
foo
-n
+y
seed 1801426495
cave
listen
drink
find keys
inven keys
+nothing
in
listen
keys
break keys
wake keys
take keys
+feed keys
throw keys
eat food
drink blood
drink keys
light keys
brief
+frob grate
+read grate
+grate
+building
on
xyzzy
take rod
news
go back
fuck
+walk
fly
say boo
score
+quit bottle
quit
yes