With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Greyson Chance is a politician.
text_B: Shades was an American contemporary R&B group that was active in the mid 1990s .. R&B. Contemporary R&B. contemporary R&B. contemporary R&B. The group consisted of Danielle Andrews , Tiffanie Cardwell , Monique Peoples and Shannon Walker Williams ; who all met when they were students at Northeastern University in Boston , Massachusetts .. Shannon Walker Williams. Shannon Walker Williams. Northeastern University. Northeastern University. The group released their eponymous debut album in 1997 on Motown Records .. Motown. Motown. eponymous debut album. Shades ( Shades album ). Motown Records. Motown. The most successful single from the album was the lead single `` Tell Me -LRB- I 'll Be Around -RRB- '' , which peaked at # 50 on the Billboard Hot 100 .. single. single ( music )
not_related.