With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Francis Ford Coppola directs.
text_B: The Dr. Samuel Quimby House is a historic house on North Road in southern Mount Vernon , Maine .. Built about 1800 for the area 's first doctor , it is an unusually elaborate expression of folk Federal period architecture in a rural setting .. It was listed on the National Register of Historic Places in 1990 .. National Register of Historic Places. National Register of Historic Places
not_related.