Function: sum(mean(numbers("xxr") if numbers("xxy") > numbers("xyx") else numbers('yxr'), numbers("xyx")) if log(gradient[0](mean(numbers("xxy") if numbers("xxr") > numbers('yxr') else numbers("xyx"), numbers("xyx"))), mean(numbers("xxr") if numbers("xyx") > numbers("xxy") else numbers('yxr'), numbers("xyx"))) > numbers("xxy") if numbers("xyx") > numbers("xxr") else numbers('yxr') else gradient[0](mean(numbers("xyx") if numbers("xxy") > numbers('yxr') else numbers("xxr"), numbers("xyx"))), log(gradient[0](mean(numbers("xyx") if numbers('yxr') > numbers("xxy") else numbers("xxr"), numbers("xyx"))), mean(numbers("xyx") if numbers("xxy") > numbers("xxr") else numbers('yxr'), numbers("xyx"))))