Character tGuessedCharacter = tResponseAnswer.charAt( 0 );
if (Character.isLetterOrDigit( tGuessedCharacter ) && !tPlurkQuestion.hasCharacterBeenGuessed( tGuessedCharacter ))
{
tGuessedCharacterSet.add( tGuessedCharacter );
tPlurkQuestion.addGuessedCharacter( tGuessedCharacter );
if (tPlurkQuestion.hasQuestionBeenGuessed() && tGuesserPlurkID == null)
{
tGuesserPlurkID = tResponseObject.getLong( "user_id" );
}