With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tiffany Hwang released a solo debut album in 2015.
text_B: Chrysolite may refer to  :. Peridot , a gem-quality olivine. Peridot. Peridot. Archaically , any of several green or yellow-green-coloured gemstones including topaz , chrysoberyl , zircon , tourmaline , and apatite. topaz. topaz. chrysoberyl. chrysoberyl. zircon. zircon. tourmaline. tourmaline. apatite. apatite. Not to be confused with chrysotile , another name for white asbestos ; or cryolite , a halide mineral .. white asbestos. white asbestos. cryolite. cryolite
not_related.