With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Abraham Lincoln initially concentrated on the temporal and spatial dimensions of a conflict.
text_B: Sidi Alouane is a town and commune in the Mahdia Governorate , Tunisia .. Governorate. Governorates of Tunisia. Mahdia Governorate. Mahdia Governorate. Tunisia. Tunisia. As of 2004 it had a population of 6,651 .
not_related.