premise: Nawaz Sharif is a current Pakistani politician.
hypothesis: Mian Muhammad Nawaz Sharif , is a Pakistani politician who is the 20th and current Prime Minister of Pakistan , in office since June 2013 . He has previously also served as the Prime Minister from 1990 to 1993 and from 1997 to 1999 . Sharif studied business at Government College and later law at the University of Punjab before entering politics in the later 1970s . Backed by a loose coalition of conservatives , he was elected as the Chief Minister of Punjab in 1985 and re-elected after the end of martial law in 1988 .