Chu-ke Liang wrote down the remedy and passed it to Chou Yu saying."This will cure you."Chou Yu looked at it."To defeat Ts'ao Ts'ao,a fire attack is the only way.Everything is ready except the east wind."Again,Chou Yu was astonished,and he realized he could not outwit Chu-ke Liang.Then he told Chu-ke Liang all his worries about the upcoming battle.