With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Interstellar premiered in San Francisco.
text_B: John Perlman is a radio presenter for Kaya FM in South Africa , where he hosts `` Today with John Perlman '' , a weekday programme between 6 and 7 p.m. Perlman previously co-hosted AM Live and the After 8 Debate , the flagship morning news , current affairs and talk programmes on the SAfm radio station of the South African Broadcasting Corporation -LRB- SABC -RRB- .. Kaya FM. Kaya FM. South Africa. South Africa. SAfm. SAfm. South African Broadcasting Corporation. South African Broadcasting Corporation. In his role at the SABC , Perlman was one of South Africa 's most popular and respected radio anchors .. South Africa. South Africa. The SABC described Perlman as a `` seasoned journalist and an outstanding broadcaster '' and AM Live as `` arguably the most influential programme in South Africa '' .. South Africa. South Africa. However , in March 2007 Perlman resigned after blowing the whistle on political censorship within the SABC .. His resignation was widely thought to indicate his dissatisfaction with internal politics at the SABC .. Perlman has a BA in History , African Politics and Southern Sotho , and a BA Honours in Development Studies .. He has also worked for the Weekly Mail , Saturday Star and Sunday Independent .. Weekly Mail. Mail & Guardian. Saturday Star. The Star ( South Africa ). Sunday Independent. Sunday Independent, South Africa. He has also presented on television .
not_related.