With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: George W. Bush's father's father was a United States Senator from Connecticut.
text_B: The Mierta River is a tributary of the Almas River in Romania .. Romania. Romania. Almas. Almas River ( Somes ). tributary. tributary. Almas River. Almas River ( Somes )
not_related.