With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: John Dun is in Twenty One Pilots.
text_B: Leather Corduroys is an American hip hop group from Chicago , Illinois .. Chicago. Chicago. Illinois. Illinois. It consists of Kami -LRB- sometimes stylized as KAMI -RRB- and Joey Purp .. Kami. Kami ( rapper ). Joey Purp. Joey Purp. They are part of the Savemoney crew .. Savemoney. Savemoney. It was described by HipHopDX as `` a group intent on busting through limitations within the genre while simultaneously exploring its outer frontiers . ''. HipHopDX. HipHopDX
not_related.