With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Nepal is an ally of China.
text_B: Acacia acellerata is a shrub of the genus Acacia and the subgenus Plurinerves .. Acacia. Acacia. It is native to an area in the Great Southern region of Western Australia .. Great Southern. Great Southern ( Western Australia ). Western Australia. Western Australia. The rigid spreading domed shrub typically grows to a height of 0.15 to .. It blooms from September to October and produces yellow flowers .
not_related.