With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: O. J. Simpson has one nickname, O.J.
text_B: Watchtower is an American progressive metal band based in Austin , Texas .. progressive metal. progressive metal. The band was influenced by late 1970s progressive rock acts , such as Rush and U.K. , as well as the burgeoning new wave of British heavy metal scene .. Rush. Rush ( band ). new wave of British heavy metal. new wave of British heavy metal. While Watchtower never reached mainstream success , they have been cited as an influence by many other progressive metal bands , such as Dream Theater , Death , Atheist , Sieges Even and Spiral Architect .. progressive metal. progressive metal. Dream Theater. Dream Theater. Death. Death ( metal band ). Atheist. Atheist ( band ). Sieges Even. Sieges Even. Spiral Architect. Spiral Architect. The band is also notable for featuring vocalist Jason McMaster , who left after the release of their debut album to form Dangerous Toys .. Dangerous Toys. Dangerous Toys. debut album. Energetic Disassembly. Watchtower has released two studio albums -LRB- of which the last was released in 1989 -RRB- , one compilation album , four digital singles , one EP and three demo cassettes , and has been featured on many compilation albums .. the last. Control and Resistance. compilation album. Demonstrations in Chaos. Concepts of Math : Book One
not_related.