Function: mean(numbers("xxx") if numbers('yxy') > numbers("xyx") if numbers("yyy") > numbers("xxx") else numbers('yxy') else product(numbers("xyx") if numbers("yyy") > numbers('yxy') else numbers("xxx"), numbers("xxx")) if numbers('yxy') if numbers("xxx") > numbers("xyx") else numbers("yyy") > numbers("xxx") else product(numbers("yyy") if numbers("xxx") > numbers("xyx") else numbers('yxy'), numbers("xxx")), numbers("xxx") if numbers("yyy") if numbers("xxx") > numbers('yxy') else numbers("xyx") > numbers('yxy') else product(numbers("yyy") if numbers("xyx") > numbers('yxy') else numbers("xxx"), numbers("xxx")))