With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Fifth Harmony is a name of a song.
text_B: Form 3310.4 or Report of Multiple Sale or Other Disposition of Pistols and Revolvers is a Bureau of Alcohol , Tobacco , Firearms , and Explosives form that a firearm dealer must fill out when an unlicensed person purchases or acquires two or more handguns at one time or during five consecutive business days .. firearm dealer. Federal Firearms License. dealer. Federal Firearms License. ATF Form 3310.4 must be completed in triplicate -LRB- 3 copies -RRB- , the original is sent to ATF 's National Tracing Center by fax or by mail , a copy is to be sent to the designated State police or the local law enforcement agency in the jurisdiction where the sale took place , the remaining copy is to be retained in the records of the dealer and held for not less than 5 years .. ATF. Bureau of Alcohol, Tobacco, Firearms and Explosives. State police. State police. dealer. Federal Firearms License
not_related.