Question: John Gale, is from North Platte, Nebraska, and has served as the 26th Secretary of State of Nebraska since 2000, he is a member of the Republican Party, commonly referred to as the GOP, an abbreviation for what, is one of the two major contemporary political parties in the United States? 
Sentence (from "South Platte River"): The South Platte River is one of the two principal tributaries of the Platte River.
Relevant evidence: No