Task: Explanation
Input (English): U.S. Route 23 (US 23) is a long north–south U.S. Highway between Jacksonville, Florida, and Mackinaw City, Michigan. It is an original 1926 route which originally reached only as far south as Portsmouth, Ohio, and has since been extended. Question: What direction does U.S. Route 123 and U.S. Route 23 have in common? Answer: north
Output (English): U.S. Route 23 US 23 is a long north–south U.S. Highway between Jacksonville, Florida, and Mackinaw City, Michigan.