Task: Explanation
Input (English): Wading River was the terminus of the abandoned Wading River Extension on the Port Jefferson Branch of the Long Island Rail Road. This is an abandoned station just outside south of downtown Wading River, and was located on Wading River-Manor Road (former Suffolk CR 25) north of New York State Route 25A. Question: Wading River was the end of the extension just north of what state highway on Long Island? Answer: New York State Route 25A
Output (English):  This is an abandoned station just outside south of downtown Wading River, and was located on Wading RiverManor Road former Suffolk CR 25 north of New York State Route 25A.