Premise: Nelson Rolihlahla Mandela ( [ mænˈdɛlə ] 18 July 1918 -- 5 December 2013 ) was a South African anti-apartheid revolutionary , politician , and philanthropist , who served as President of South Africa from 1994 to 1999 . There he became involved in anti-colonial and African nationalist politics , joining the ANC in 1943 and co-founding its Youth League in 1944 .
Hypothesis: Nelson Mandela was uninvolved in politics.
Label: CONTRADICTION