With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Sarah Silverman was involved with a film directed by American director and producer Richard Linklater.
text_B: Leslie Emery Wismer -LRB- February 21 , 1909 -- July 8 , 1978 -RRB- was a trade union official and a member of the Ontario legislature representing Riverdale for the Co-operative Commonwealth Federation -LRB- CCF -RRB- from 1943 to 1945 and again from 1948 until 1951 .. Riverdale. Riverdale ( electoral district ). Co-operative Commonwealth Federation. Co-operative Commonwealth Federation ( Ontario Section ). Ontario legislature. Ontario legislature
not_related.