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.

Ex Input:
Question: What was the circulation of the newspaper where Denny worked in 1893? Passage:William Joseph Denny was born in Adelaide, South Australia, on 6 December 1872, one of three children of Thomas Joseph Denny, a publican, and his wife Annie ( Dwyer). He attended Christian Brothers College, Adelaide, then worked as a weather clerk at the General Post Office, Adelaide under the Postmaster General, Sir Charles Todd. According to a contemporary source, in 1893 he became the editor of the Catholic The Southern Cross newspaper, which published news about and for the Catholic community of South Australia. A more recent source states he commenced as editor of The Southern Cross in 1896. He replaced James O'Loghlin, who later became a United Labor Party (ULP) senator for South Australia. Denny was a councillor of the Adelaide City Council from 1898, representing Grey Ward. During his early twenties he was active in the literary and debating societies of Adelaide, was Chairman of the Christian Brothers Old Collegians Association, and captain of two city rowing clubs. He unsuccessfully contested the two-member seat of West Adelaide in the 1899 South Australian colonial election as a ULP candidate, gaining 27.7 per cent of the vote.

Ex Output:
b

Ex Input:
Question: In what year was the commander in chief who sent Elles to investigate the first tanks born? Passage:In August 1915, after recovering from his injuries, Elles was one of three officers specially selected by General Sir William Robertson, soon to be Chief of the Imperial General Staff (CIGS), the professional head of the British Army, to liaise with troops at the front and pass the information directly to the British General Headquarters (GHQ). In January 1916, as a General Staff Officer (GSO), Elles was sent by General Sir Douglas Haig, the Commander-in-Chief (C-in-C) of the BEF on the Western Front, to investigate the first tanks or "caterpillars" being built in England. He attended the first trials of "Mother" and reported back to Haig on its success. During the summer of 1916, he was tasked to report back from the Somme, where the tanks were first used. Elles was appointed to head the Heavy Branch (the first tank units) of the Machine Gun Corps in France on 29 September 1916, with the temporary rank of colonel. His responsibilities included its advanced training and tactical employment. He also commanded the large central depot and workshops established near Bermicourt.

Ex Output:
b

Ex Input:
Question: How many companies did Pierson's first regiment have? Passage:In 1857, he enlisted as a private in Company K of the 7th Regiment of the New York National Guard, and was attached to the staff of Brig. Gen. William Hall. At the start of the American Civil War, Pierson helped organize the 1st New York Volunteer Infantry Regiment, and was appointed captain in May 1861. He was promoted several times and assumed command of the regiment on October 9, 1862, with the rank of colonel. Attached to the 3rd Corps, Army of the Potomac, he led the 1st New York in actions at the Seven Days Battles, Second Manassas and the Battle of Fredericksburg. After the Battle of Chancellorsville in May 1863, Colonel Pierson was honorably discharged and mustered out on May 25, 1863. For distinguished service, he was brevetted brigadier general of the United States Volunteers for "gallant and meritorious services."

Ex Output:
b