In another sense, {HEAD ~ the invention} relates to a method of playing {TAIL ~ a word building game} 
In another sense , { HEAD ~ the invention } relates to a method of playing { TAIL ~ a word building game }
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL