With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jing Tian was born in 1988.
text_B: M. Schuyler Towne -LRB- born December 16 , 1983 -RRB- is a competitive lockpicker and pioneer of the American Locksport movement .. American. United States. Locksport. Locksport. He was `` first introduced to lockpicking at the 2006 Hackers on Planet Earth conference in New York . ''. At that conference Towne became one of the founding board members of The Open Organization Of Lockpickers US chapter and in 2007 he launched Non-Destructive Entry Magazine .. The Open Organization Of Lockpickers. The Open Organization Of Lockpickers. Towne has competed in the Dutch Open at LockCon in the Netherlands and both spoken and competed at DEF CON in Las Vegas .. Netherlands. Netherlands. DEF CON. DEF CON. Las Vegas. Las Vegas Valley
not_related.