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.

Example Input: Question: Were Caton and Beck both from Poland? Passage:From the bioelectricity of nerves, Marxow turned his attention, from 1876 on, to the global electrical activity of the cerebral hemispheres. Neuroanatomists had already determined at the time that its nervous tissue was also composed of cells (the neurons), with their bodies mainly located in the gray matter, and filamentary prolongations, the dendrites and the axons. Thus, it was only natural to assume that they would also display electrical activity. This important discovery, however, had not been made until that time, because many desynchronized electrical potentials with different polarities produce a cumulative global potential which is actually very small and difficult to detect with the sensitivity range of the measuring devices available at the time. Despite this, Marxow was able to prove for the first time that the peripheral stimulation of sensory organs, such as vision and hearing were able to provoke event-related small electrical potential swings on the surface of the cerebral cortex which was related to the projection of those senses. Strangely, however, Marxow did not publish his results, choosing instead to deposit them in a bank safe, with instructions to reveal them in 1883 only. Meanwhile, the first publications about what was later to be called the electroencephalogram came to light, independently demonstrated by Richard Caton (1842–1926), in Great Britain, and Adolf Beck (1863–1942) in Poland, both using laboratory animals.

Example Output: a

Example Input: Question: Of the people who Hugh Weston acted as confessor to, whom was executed first? Passage:How long he remained in confinement is uncertain, but he retained all his offices except his professorship, and received further preferment on Queen Mary's accession. On 18 September 1553 he was installed dean of Westminster, and on 22 January 1554 was collated to the archdeaconry of Colchester; he also received the living of Cliff-at-Hoo, Kent, on 2 April 1554, resigning the rectorship of Lincoln in 1555. His services as a controversialist were in great demand. He acted as confessor to Henry Grey, 1st Duke of Suffolk and Sir Thomas Wyatt at their execution, was prolocutor of the convocation that met on 16 October 1553, and preached at St. Paul's Cross four days later, and before the queen on Ash Wednesday (7 February 1553-4) during Wyatt's rebellion. He examined Thomas Philpot, had disputations with Nicholas Ridley and John Bradford, and presided over Thomas Cranmer's trial in St. Mary's, Oxford, on the 14th, and over the disputation between Latimer and Richard Smith on 18 April 1554.

Example Output: a

Example Input: Question: Did Biograph Records exist the year Retropolis Entertainment was founded? Passage:Retropolis Entertainment was founded in April 2002 by Bob Emmer, Garson Foos, and Richard Foos, three principals from Rhino Records, as the company was negotiating with the five majors for distribution. After selling Rhino to Warner Bros., the three set out to launch a new retro pop culture label. The company's first product was Red, White & Rock, a joint release with PBS station WQED that was produced with Warner Strategic Marketing. In August 2002, Retropolis acquired Biograph Records. Other early releases included blues and jazz CDs from the Biograph label, a Fats Domino CD and DVD, and several documentaries (Superstar: The Life And Times of Andy Warhol, What Happened To Kerouac?). Retroplis was renamed Shout! Factory in April 2003. At that time, Shout had signed a press and distribution agreement with Sony Music Entertainment. With the release of Freaks & Geeks in 2004, Shout! hit its stride and shifted towards a reputable and celebrated television on DVD company. That same year, they released a brand-new CD Has Been with actor William Shatner (produced by Ben Folds) and started releasing classic SCTV box sets.

Example Output:
b