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: How many soldiers died in the war that Charles K. Erwin fought in? Passage:Born in Washington, Lycoming County, Pennsylvania, Erwin settled in Portage, Wisconsin in 1853. From 1855 to 1868, Erwin lived in Jo Daviess County, Illinois and then in Stephenson County, Illinois. During the American Civil War, Erwin served in the 45th Illinois Volunteer Infantry Regiment. In 1868, Erwin moved to Tomah, Wisconsin and was in the mercantile business. From 1879 to 1882 and 1886, Erwin served on the Tomah Board of Education and was president of the school board. From 1882 to 1889, Erwin served in the Wisconsin State Senate and was a Republican. In 1889, Erwin served as postmaster for Tomah, Wisconsin. In 1902, Erwin moved with his family to Milwaukee, Wisconsin. Erwin died suddenly in Savanna, Illinois just as he was about get on a train for a trip to Omaha, Nebraska.

Ex Output:
b

Ex Input:
Question: How long was Robert in the Parliament? Passage:Richard Bennet (d.1619), a Councillor at Law, built Hexworthy House as his seat within the parish. The Bennet family originated in Sussex and settled at Hexworthy during the reign of Queen Elizabeth I (1558-1603). His son was Col. Robert Bennet (16051683) of Hexworthy, a Member of Parliament during the Civil War and a noted commander of the Parliamentarian forces. His descendant Richard Bennett-Coffin (d.1796) was the son of Edward Bennett of Lawhitton by his wife Honor Coffin (born 1682), 11th daughter of Richard Coffin (1623-1700) of Portledge in the parish of Alwington in North Devon, lord of the manor of Alwington and Sheriff of Devon in 1683. Richard Bennett-Coffin (d.1796) became heir to the Coffin estates following the death of his childless uncle Richard Coffin (1684-1766). The Coffin family had been established at Alwington since the reign of King Henry II (1154-1189), and remained there in unbroken male succession until 1766. He adopted the name and arms of Coffin, but died without progeny at Esher in Surrey and was buried at Lawhitton where survives his monument. His heir was Rev. John Pine-Coffin (1735-1824), eldest surviving grandson of Dorothy Coffin (1651-1690), eldest daughter of Richard Coffin (1623-1700), who in 1672 married Edward Pyne (1648-1675) of East Down. Her descendants remained seated at East Down manor house until 1866, the Pyne family having occupied it since the 13th century. The last in the Pine-Coffin family to occupy Portledge manor house was Richard Geoffrey Pine-Coffin (1908-1974).

Ex Output:
a

Ex Input:
Question: At what age did Gerry Anderson produce The Secret Service? Passage:The Investigator was Gerry Anderson's first puppet production since The Secret Service (1969), the last Supermarionation series to be made by his former company Century 21 Productions. Having gone on to make the live-action series UFO and The Protectors, neither of which were made specifically for children, Anderson wanted to create something new for the younger audience and devised The Investigator as the template for a new Supermarionation programme, intending to pitch it to American network NBC in the hope that it would commission a series. The pilot was planned by Anderson, his wife Sylvia and their long-time business partner Reg Hill. Written by Sylvia from a story by Shane Rimmer, it was funded by private venture capital and produced by off-the-shelf company Starkits between The Protectors and a planned second series of UFO (which was later made as ).

Ex Output:
b