Task: Explanation
Input (English): Waimea Bay is located in Haleiwa on the North Shore of O'ahu in the Hawaiian Islands at the mouth of the Waimea River. Waimea Valley extends behind Waimea Bay. "Waimea" means "reddish water" in Hawaiian. Question: Which place where Charles M. Van Artsdalen surfed 25-foot waves has name which means "reddish water" in Hawaiian? Answer: Waimea Bay
Output (English):  Waimea Valley extends behind Waimea Bay.