Like Bea Smith, Rita develops an intense hatred of Joan Ferguson, which quickly escalates into an all out war.
When the body can no longer maintain a normal temperature, heat exhaustion escalates and becomes heat stroke.
Meanwhile, Sawyer is an amused but highly interested bystander when tension escalates between Jack, Locke, Kate and Ana Lucia.
Using greater than three stalks isn't recommended for wedding favors because as more stalks are added, the cost escalates.
Students should also be taught that if the encounter with the stranger escalates to an abduction attempt, they can and should do anything they can to escape.