With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: David Arquette worked with a director.
text_B: Prudenciana Comiling Cruz -LRB- born Prudenciana Dumagan Comiling on May 19 , 1943 -RRB- is the sixteenth director of the National Library of the Philippines , having acceded to the position on December 7 , 2001 .. National Library of the Philippines. National Library of the Philippines. She is affectionately called `` Nani '' by both patrons and staff of the National Library , alluding to her motherly qualities and her use of these qualities in running the library .
not_related.