With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Gwen Stefani makes public appearances with the Harajuku Girls.
text_B: Dr. Know is a punk band which began as a Nardcore band from Oxnard , California .. Nardcore. Nardcore. punk. punk rock. Oxnard. Oxnard. California. California. They are regarded as founding fathers of the so-called `` Nardcore '' punk movement .. Nardcore. Nardcore. punk. punk rock
not_related.