With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: George W. Bush passed multiple economic programs intended to preserve the city's financial system.
text_B: Caladenia longicauda subsp .. Caladenia. Caladenia. insularis , commonly known as the island white spider orchid is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia .. endemic. endemism. south-west. Southwest Australia. Western Australia. Western Australia. It has a single hairy leaf and up to four yellowish-white flowers with long , mostly spreading lateral sepals and petals .. It is a relatively rare , self-pollinating subspecies and often flowers which are in bud , open and finished are seen on a single plant .
not_related.