With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Mammals are a clade of endothermic amniotes.
text_B: Rødenessjøen is a lake in the municipalities of Aurskog-Høland in Akershus county and Marker in Østfold county , Norway .. Aurskog-Høland. Aurskog-Høland. Akershus. Akershus. Marker. Marker, Norway. Østfold. Østfold. lake. lake. Norway. Norway
not_related.