With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Charles Dance played at least one role.
text_B: Palisota barteri is a species of plant in the Commelinaceae family , described in 1862 .. Commelinaceae. Commelinaceae. Palisota. Palisota. plant. plant. It is native to western + central Africa .
not_related.