Underline the appositive phrases in the following sentences, identify each as essential or nonessential.
alf, a man of great persistence, looked high and low for alfhild.
his boat sailed all over and finally arrived near the country finland.
then the danes, alf and his men, encountered a porate fleet.
the leader of the pirates, a great warrior, fought with a covered face.
when the mask was knocked aside, alf saw the face of alfhild, his true love.
the flight stopped; alfhild, a pirate no more, decided to wed alf.
the pair married and had their daughter gurid.