Milk that fell into meat food

If milk falls into a pot of meat, can you ask a gentile to taste? If he does not taste the milk, can a Sephardi taste and if he does not taste the milk either, give it to an Ashkenazi?

Answers from Igud members: Rav Tzvi Mauner shlit”a and Rav Gil Student shlit”a
Answers from others: Rav Chaim Kanievsky shlit”a, Rav Avigdor Nebenzahl shlit”a, Rav Yitzchak Zilberstein shlit”a and others

See below for the Tishrei question and the answers to the Elul question, or download the PDF directly.
Igud Halacha Challenge Tishrei 5779