Part 4 - Liquids
A liquid is a kind of thing.
A liquid has a number called the level. The level of a liquid is usually 1.
Does the player mean drinking a liquid: it is very likely.
Before taking a liquid (called refreshment):
try drinking the refreshment instead.
Before drinking something:
if the noun is not a liquid:
if a liquid (called the refreshment) is in the location:
try drinking the refreshment instead.
After drinking a liquid (called the refreshment):
now the level of the refreshment is the level of the refreshment - 1;
say "Glurp glurp glurp glurp glurp! Refreshing.";
if the level of the refreshment is 0:
say "You drank all the [refreshment].";
remove the refreshment from play.