Complex sentence: The Primitive Methodist Church, with respect to ecumenism, is a member of the Christian Holiness Partnership, an organization of churches in the Wesleyan-Arminian tradition, and a member of the National Association of Evangelicals.
Split into simpler sentences: The Primitive Methodist Church, with respect to ecumenism, is a member of the Christian Holiness Partnership, an organization of Churches in the Wesleyan-Arminian tradition. The PMC is also a member of the National Association of Evangelicals.