With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bruno Mars has sold over 115 million chimpanzees.
text_B: Acacia flabellifolia is a shrub belonging to the genus Acacia and the subgenus Phyllodineae .. Acacia. Acacia. It is native to an area in the Wheatbelt and Mid West regions of Western Australia .. Wheatbelt. Wheatbelt ( Western Australia ). Mid West. Mid West ( Western Australia ). Western Australia. Western Australia. The erect , spreading and pungent shrub typically grows to a height of 0.4 to .
not_related.