With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Dirty Diana is by Michael Joseph Jackson.
text_B: Roscoea × beesiana is considered to be a hybrid between R. auriculata and R. cautleyoides which occurred in cultivation .. The flowers are variable  : most forms have a pale cream base colour with varying amounts of purple streaking , particularly on the lip or labellum .. It was given the Award of Garden Merit by the Royal Horticultural Society in 2011 .. Award of Garden Merit. Award of Garden Merit. Royal Horticultural Society. Royal Horticultural Society. It is classified as being hardy throughout the British Isles .. British Isles. British Isles
not_related.