In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as 'a' for Yes or 'b' for No.

Question: Which ship had been in service longer at the time when he was on them, the one where he still held sub-lieutenant rank or the one where David had been promoted to full lieutenant? Passage:He was assigned as a midshipman on 1 May 1929 after finishing top of his class in five subjects. In 1930 he was assigned to the battleship Marlborough, part of the Third Battle Squadron; and the following year to the battlecruiser in September 1931 on which he served with fellow midshipman, and future vice admiral, Peter Gretton. While serving on the ship, Wanklyn was promoted to acting sub-lieutenant (the equivalent of an army second lieutenant) on 1 January 1932. Soon afterwards he moved to the naval gunnery school - HMS Excellent - at Whale Island, Portsmouth to learn more about naval navigation to qualify for his second ring at the rank of lieutenant. In February 1933 he moved to HMS Dolphin and was promoted to lieutenant on 1 February 1933.

b

Question: Who is the mayor of the town Archer was born in? Passage:Born in Densmore, Kansas, Archer moved to Topeka, Kansas where he attended public high school. Archer received a Bachelor of Arts degree in English literature from Yale University in 1952 and a Juris Doctor, with honors, from George Washington University Law School in 1954. He served as a First Lieutenant in the Judge Advocate General's Office of the United States Air Force from 1954 to 1956. He entered private practice in Washington, D.C., as an associate in the law firm of Hamel, Park, McCabe and Saunders from 1956 to 1960 and a partner from 1960 to 1981. Archer served as Assistant Attorney General in charge of the United States Department of Justice Tax Division from 1982 to 1984.

a

Question: Who was the manager for the Denmark national team when Hafeez made his debut? Passage:Hafeez made his debut for Denmark in the 2001 ICC Trophy in Canada against Ireland. He made three further appearances during the tournament, against Canada, Scotland and the United Arab Emirates. Hafeez scored 21 runs with a high score of 10 in his four matches, Later in 2001, he made his List A debut for Denmark against Suffolk in the 1st round of English domestic cricket's 2002 Cheltenham & Gloucester Trophy, which was played in August 2001 to avoid fixture congestion early in the 2002 season. In the match, held at Old London Road in Copdock, Suffolk, Denmark won the toss and elected to bat first, making 112 all out from 28.4 overs against their minor county opponents, with Hafeez scoring 9 runs before he was dismissed by Ian Graham. Suffolk won the match by 7 wickets, though in their chase Hafeez did take the wicket of Dave Callaghan for 49, stumped off his bowling by Frederik Klokker. He made a second List A appearance the following year against the Leicestershire Cricket Board (LCB) in the 1st round of the 2003 Cheltenham & Gloucester Trophy which was played in August 2002, in the same arrangement as the previous competition. In the match, held at Ratcliffe College in Cossington, Leicestershire, the LCB won the toss and elected to put Denmark into bat, with Denmark making 249/6 from their 50 overs, with Hafeez ending the innings not out on 6. The LCB won the match by 4 wickets. This was his final appearance for Denmark.
a