With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Shraddha Kapoor played a singer in Aashiqui 2.
text_B: Walter Isard -LRB- April 19 , 1919 , Philadelphia -- November 6 , 2010 , Drexel Hill , Pennsylvania -RRB- was a prominent American economist , the principal founder of the discipline of Regional Science , as well as one of the main founders of the discipline of Peace Science and Peace Economics .. Philadelphia. Philadelphia. Regional Science. Regional Science. Peace Science. Peace and conflict studies. Peace Economics. Peace economics
not_related.