Consider the following clauses:

$1.$ S$1$: A$($B$$E$).$

$2.$ S$2$: E$$D$.$

$3.$ S$3$: C$$F$$B$.$

$4.$ S$4$: E$$B$.$

$5.$ S$5$: B$$F$.$

$6.$ S$6$: B$$C$.$

a$.$ Convert the following set of sentences to clausal form.

b$.$ Use resolution to prove the sentence $$A$$B