premise: Nawaz Sharif has no record in politics.
hypothesis: Nawaz Sharif . 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 . In 1981 , Sharif was appointed by the military government as the Minister of Finance for the province of Punjab . 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 . As a result , Sharif was elected Prime Minister by Parliament .