Function: mean(divide(log(numbers('rrr') if numbers('xyy') > numbers("xxx") else numbers("yyy"), numbers('rrr')), numbers("yyy") if numbers('xyy') > numbers("xxx") else numbers('rrr')) if numbers('rrr') > log(numbers("yyy") if numbers('rrr') > numbers('xyy') else numbers("xxx"), numbers('rrr')) else numbers("xxx") if numbers('xyy') > numbers('rrr') else numbers("yyy"), divide(log(numbers("xxx") if numbers('rrr') > numbers("yyy") else numbers('xyy'), numbers('rrr')), numbers("xxx") if numbers("yyy") > numbers('rrr') else numbers('xyy')))