With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Katie Holmes has had numerous operations.
text_B: Revere bells were cast out of the bell foundry of Paul Revere starting in 1792 in Boston .. bell. Bell ( instrument ). Paul Revere. Paul Revere. Boston. Boston. Revere became known professionally for his foundries and for being one of the few competent bell makers in the United States at the time .. bell. Bell ( instrument ). Paul Revere opened his bell foundry in the Boston 's North End and , between the years 1792 and 1828 , the foundry cast a total of 398 bells that varied from 500 to 2500 pounds .. bell. Bell ( instrument ). Paul Revere. Paul Revere. Boston. Boston. The vast majority of Revere 's bells have pleasant tones , are long lasting , and served as centerpieces of their communities .. They were used in schools , on ships and for communication .. For example , a church bell tolled during a fire , let the community know of a death or wedding , and signaled the start of mass .. bell. Bell ( instrument ). An example of the longevity of his bells comes from Henry W. Owen who spoke of the Revere bell at Bath City Hall in 1936  :. bell. Bell ( instrument ). For more than a century -LRB- the bell -RRB- was rung daily morning , noon and evening , at stated hours , besides announcing hours of religious services and alarms of fire , tolling for departed citizens , and pealing in honor of independence days and other occasions of joy .. bell. Bell ( instrument ). On account of its age it has been retired from regular duty , but still on special occasions is sparingly used .
not_related.