Jack: No! Not good! Stop! Not good! What are you doing? You burned all the food, the shade! The rum! Elizabeth: Yes, the rum is gone. Jack: Why is the rum gone? Elizabeth: One, because it is a vile drink that turns even the most respectable men into complete scoundrels. Two, that signal is over a thousand feet high. The entire royal navy is out looking for me. Do you really think that there is even the slightest chance that they won't see it? Jack: But why is the rum gone? Elizabeth: Just wait, Captain Sparrow. You give it one hour, maybe two. Keep a weather eye open and you will see white sails on that horizon.
Jack horrified that Elizabeth has burned the rum to make a bonfire, but she explains that it will get them rescued.