Based on the clue 'a sincere cavalier he fooled around with guinevere', what is the answer?

Based on the clue 'a simpler way of saying more lobster colored', what is the answer? Based on the clue 'a simulated 3 d environment that a user can experi...', what is the answer? Based on the clue 'a simultaneous discharge of rifles', what is the answer? What is referred to by 'a sin for example'? Based on the clue 'a singable poem perhaps of the last minstrel 3', what is the answer? Based on the clue 'a singer born with the last name nelson was known ...', what is the answer? Based on the clue 'a singer songwriter gravity belief waiting on the ...', what is the answer? Based on the clue 'a singer stand by your man', what is the answer?