You will be given a definition of a task first, then some input of the task.
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.

Question: Which of the ships that Drummond served on in world war 1 had the largest crew compliment? Passage:Born the son of James Drummond, 10th Viscount Strathallan, and educated at the Royal Naval College Dartmouth, Drummond was promoted to lieutenant in 1906. He served in World War I as second in command of the cruiser HMS Caroline from 1914 and then as an officer in the cruiser HMS Cardiff from 1917. He was appointed Commanding Officer of the cruiser HMS Capetown in 1927, Chief of Staff to the Commander-in-Chief, Portsmouth in 1930 and Chief of Staff to the Commander-in-Chief American and West Indies Station before becoming Commander-in-Chief of the New Zealand Division in 1935. He served in World War II as Captain of the Dockyard at Portland from August 1939 and as Chief of Staff to the Commander-in-Chief, Rosyth from 1942 until September 1945 when he retired.

Output:
a