Using letters H$,$ K$,$ A for the component statements, translate the following compound statements into symbolic notation.

a$.$ If the horse is fresh, then the knight will win.

b$.$ The knight will win only if the horse is fresh and the armor is strong.

c$.$ A fresh horse is a necessary condition for the knight to win.

d$.$ The knight will win if and only if the armor is strong.

e$.$ A sufficient condition for the knight to win is that the armor is strong or the horse is fresh.