The first player guesses the first identity when all of the first set of clues have been presented or when the first player decides to guess the first identity having been presented fewer than {HEAD ~ the entire first set} of {TAIL ~ clues} 
The first player guesses the first identity when all of the first set of clues have been presented or when the first player decides to guess the first identity having been presented fewer than { HEAD ~ the entire first set } of { TAIL ~ clues }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL