Function: sin(numbers("xxr") if numbers('epe') > square(numbers('epe')) else numbers('yyx')) if mean(sin(numbers('yyx') if square(numbers('epe')) > numbers("xxr") else numbers('epe')), numbers('epe') if numbers("xxr") > numbers('yyx') else square(numbers('epe'))) > square(numbers('epe')) else square(numbers('epe')) if numbers('yyx') > numbers("xxr") else numbers('epe')