Complex sentence: Krzysztof Marek Piesiewicz (born October 25,1945 in Warsaw, Poland) is a Polish lawyer, screenwriter, and politician, who is currently a member of the Polish Parliament and head of the Ruch Społeczny (RS) or Social Movement Party.
Split into simpler sentences: Krzysztof Marek Piesiewicz (born October 25,1945 in Warsaw, Poland) is a Polish lawyer, screenwriter, and politician. He was the head of the Ruch Społeczny (RS) or Social Movement Party.