Complex sentence: The Union of Progressive Jews in Germany (UPJ), founded in Munich in June 1997, is a religious association with a small Jewish liberal community in Köln-Riehl, with about 50 members and calls itself "Jüdische Liberale Gemeinde Köln Gescher LaMassoret e.V.".
Split into simpler sentences: The Union of Progressive Jews in Germany (UPJ), founded in Munich in June 1997, is a religious association, who has a small Jewish liberal community in Köln-Riehl. It has about 50 members and calls itself "Jüdische Liberale Gemeinde Köln Gescher LaMassoret e.V.".