With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Cheyenne Jackson is a director.
text_B: Theismann is a German surname .. German. German language. Notable people with the surname include the following  :. Dirk Theismann -LRB- born 1963 -RRB- , German former water polo player. German. German language. Dirk Theismann. Dirk Theismann. Joe Theismann -LRB- born 1949 -RRB- , American former footballer. Joe Theismann. Joe Theismann
not_related.