With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The 12-hour clock is a writing convention.
text_B: Charlene McMann -LRB- b. circa 1951 -RRB- -LRB- also known as Charlene McMann-Seaman -RRB- -LRB- born in Chicago , Illinois , United States -RRB- , was the co-founder and Chief Executive Officer of the now-defunct Chicago Blood Cancer Foundation -LRB- founded 2010 -RRB- , a non-profit raising money for lymphoma , leukemia , and myeloma .. Chicago. Chicago. Illinois. Illinois. McMann is co-author with her husband Scott Seaman of the self-published book Battling and Beating Cancer -- The Cancer Survival Book -LRB- 2009 -RRB- and was also co-host with her husband of the Battling and Beating Cancer online-only radio show on BlogTalkRadio , and CAN TV public access and online television show .. BlogTalkRadio. BlogTalkRadio. CAN TV. Chicago Access Network Television. Previously , McMann co-founded and was past president of the Chicago Chapter of the Lymphoma Research Foundation , which was that organization 's first local chapter .. Chicago. Chicago. She received thelocal Chicago Jefferson Award for Public Service for her cancer advocacy in 2008 , organizing , fundraising , and leadership .. Chicago. Chicago. Jefferson Award for Public Service. Jefferson Award for Public Service. She subsequently became a Member of the National Board of Selectors of the Jefferson Awards for Public Service and launched a national program to promote health , physical activity , and well-being in students .
not_related.