Teacher:In this task, you're given a question, a context passage, and four options which are terms from the passage. After reading a passage, you will get a brief understanding of the terms. Your job is to determine by searching and reading further information of which term you can answer the question. Indicate your choice as 'a', 'b', 'c', or 'd'. If you think more than one option is plausible, choose the more probable option to help you answer the question.
Teacher: Now, understand the problem? Solve this instance: Question: Which Admiral had a longer career in the Navy, Halsey or Wilkinson? Passage:The Bougainville invasion was the ultimate responsibility of Admiral William F. Halsey, commander South Pacific Area, at his headquarters at Nouméa, New Caledonia. The landings were under the personal direction of Rear Admiral Theodore S. Wilkinson, commander III Amphibious Force, aboard his flagship, attack transport . Also aboard was Lieutenant General Alexander A. Vandegrift, commander I Marine Amphibious Corps. Loaded aboard eight attack transports (APAs) and four attack cargo transports (AKAs), organized into three transport divisions, were the men of the 3rd Marine Division (reinforced), Major General Allen H. Turnage commanding. The fighting on Bougainville would be the division's first action of the war. With Turnage aboard the was Commodore Lawrence F. Reifsnider, who had responsibility for the transports and attack cargo ships. The transport divisions were escorted by a screen consisting of 11 destroyers, and were supported by various fleet tugs, minesweepers and minelayers. Anti-aircraft guns from the 3rd Marine Defense Battalion under Lieutenant Colonel Edward H. Forney and several field artillery batteries from the 12th Marine Regiment under Colonel John B. Wilson were assigned to the operation to provide support to ground troops once ashore. Direct air cover for the landing was provided by Major General Nathan Twining's AirSols command, which included aircraft from: the US Army Air Force (USAAF) the United States Navy the United States Marine Corps and the Royal New Zealand Air Force (RNZAF). Lieutenant General George Kenney's Fifth Air Force was also tasked with supporting operations around Bougainville by conducting raids on Japanese air and naval assets around Rabaul.
 Links: a. AirSols b. William Halsey Jr. c. Minesweeper d. Edward H. Forney
Student:
b