With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Crown (TV series) starred John Lithgow.
text_B: Show business , sometimes shortened to show biz or showbiz -LRB- since 1945 -RRB- , is a vernacular term for all aspects of the entertainment industry .. vernacular. vernacular. business. business. From the business side -LRB- including managers , agents , producers , and distributors -RRB- , the term applies to the creative element -LRB- including artists , performers , writers , musicians , and technicians -RRB- and was in common usage throughout the 20th century , although the first known use in print dates from 1850 .. business. business. At that time and for several decades , it typically included an initial the .. By the latter part of the century , it had acquired a slightly arcane quality associated with the era of variety , but the term is still in active use .. variety. Variety show. In modern entertainment industry , it is often associated with the fashion industry -LRB- creating trend and fashion -RRB- and acquiring intellectual property rights from the invested research in the entertainment business .. business. business. fashion industry. fashion industry. intellectual property. intellectual property
not_related.