Input (grade 13): Petra Karin Kelly (29 November 1947 - presumably 1 October 1992), a politician, was instrumental in founding the German Green Party, the first Green party to rise to prominence worldwide.
Output (grade 12): Petra Karin Kelly (November 23, 1947 â "October 1, 1992) was a German politician, peace activist and one of the founders of the Green Party of Germany.