With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Miami Beach is positioned between Biscayne Bay and the Atlantic Ocean.
text_B: Thuwaybah was a Sahabah and the first milk nurse of Muhammad .. Sahabah. Sahaba. Muhammad. Muhammad. Her name means `` Deserving of God 's reward . ''. She is also known as Thuwaybah al-Islamiah .
not_related.