{HEAD ~ The present invention} relates to an apparatus, system, and method for modifying the flow of water in {TAIL ~ a channel} 
{ HEAD ~ The present invention } relates to an apparatus , system , and method for modifying the flow of water in { TAIL ~ a channel }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL