With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Lauren Graham's middle name is only Steve.
text_B: Ficus cordata , the Namaqua fig , is a species of fig that occurs in two disjunct populations in Africa , one in the arid southwest of the continent , and a second in the northern subtropics .. Ficus. Ficus. fig. Ficus. Africa. Africa. In the south it is often the largest and most prominent tree , and is virtually restricted to cliff faces and rock outcrops , where it has a rock-splitting habit .
not_related.