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