Complex sentence: The Star Theater is a historic former silent film theater in Portland, Oregon, United States, the address was originally 9 NW Sixth Avenue, but as of 2001 the address is 13 NW Sixth Avenue.
Split into simpler sentences: The Star Theater is a historic former silent film theater in Portland, Oregon, United States. The address was originally 9 NW Sixth Avenue, but since 2001 thhas been 13 NW Sixth Avenue.