{HEAD ~ The long standing but heretofore unfulfilled need} for an improved watercraft propulsion system that fulfills the identified needs is now met by {TAIL ~ a new, useful, and nonobvious invention} 
is met by
{ HEAD ~ The long standing but heretofore unfulfilled need } for an improved watercraft propulsion system that fulfills the identified needs is now met by { TAIL ~ a new , useful , and nonobvious invention }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL