Definition: In this task, you're given a question, along with a context passage which has extra information available on certain terms mentioned in it, i.e., the proper nouns in the passage. Your job is to determine whether information from more than one term is needed to answer the question. Indicate your choice as 'a' for Yes or 'b' for No.
Input: Question: How many years following the death of John Hazelwood did the USS Hazelwood, named in his honor, launch? Passage:Hazelwood, was named in honor of John Hazelwood, was laid down 24 December 1917 by Union Iron Works, San Francisco, California, launched 22 June 1918; sponsored by Miss Marian L. Neitzel; and commissioned 20 February 1919, Comdr. A. A. Corwin in command. Following shakedown and a voyage to Norfolk for supplies, Hazelwood departed New York for the Mediterranean 15 April 1919. Reaching Gibraltar 9 May, she participated in training and served as escort to Arizona (BB-39). After patrolling the Mediterranean, she departed Malta 28 July and arrived New York 13 August. Next day she got underway for her new home waters, the Pacific. Sailing via Cuba and Panama, she arrived at San Francisco 5 September. After operations along the West Coast, she decommissioned at San Diego 7 July 1922.

Output:
b