Function: mean(log(numbers("yxx") if numbers('xry') if numbers('epe') > numbers("xxr") else numbers("yxx") > numbers('epe') else product(numbers('xry') if numbers('epe') > numbers("xxr") else numbers("yxx"), numbers("yxx")), product(numbers("xxr") if numbers('xry') > numbers("yxx") else numbers('epe'), numbers("yxx"))), numbers('epe') if numbers("yxx") > numbers('xry') else numbers("xxr") if product(numbers('epe') if numbers("yxx") > numbers('xry') else numbers("xxr"), numbers("yxx")) > numbers("yxx") else numbers('epe'))
