Complex sentence: On December 20,2013, the United States District Court for the District of Utah found the state's ban on same-sex marriage unconstitutional and ordered that the state cease enforcing its ban took effect immediately.
Split into simpler sentences: On December 20,2013, the U.S. District Court for the District of Utah found the state's ban on same-sex marriage unconstitutional. Its order that the state cease enforcing its ban took effect immediately.