Knock KnockWho's there?Sherwood!Sherwood who!Sherwood like to come in!Knock KnockWho's there?Shirley!Shirley who?Shirley you must know me by now!Knock KnockWho's there?Sicily!Sicily who?Sicily question!Knock KnockWho's there?Sid!Sid who!Sid down and have a cup of tea!Knock KnockWho's there?Simon!Simon who?Simon the dotted line!