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: Which of the operations HMS Penelope participated in during 1943 lasted the longest? Passage:On 9 September 1943, Penelope was part of Force Q for Operation Avalanche, the allied landings at Salerno, Italy, during which she augmented the bombardment force. Penelope left the Salerno area on 26 September with Aurora and at the beginning of October was transferred to the Levant in view of a possible attack on the island of Kos in the Dodecanese. On 7 October, with the cruiser and other ships, she sank six enemy landing craft, one ammunition ship and an armed trawler off Stampalia. While the ships were retiring through the Scarpanto Straits south of Rhodes, they were attacked by 18 Ju 87 "Stuka" dive-bombers of I Gruppe Stukageschwader 3 MEGARA. Although damaged by a bomb, Penelope was able to return to Alexandria at . On 19 November 1943 the ship moved to Haifa in connection with possible developments in the Lebanon situation. Towards the end of 1943, she was ordered to Gibraltar for Operation Stonewall, (anti-blockade-runner duties), in the Atlantic. On 27 December, the forces in this operation destroyed the German blockade-runner Alsterufer which was sunk by aircraft co-operating with Royal Navy ships. Penelope returned to Gibraltar on 30 December and took part in Operation Shingle, the amphibious assault on Anzio, Italy, providing gunfire support as part of Force X with on 22 January 1944. She also assisted in the bombardments in the Formia area during the later operations. She made eight shoots on 8 February.

Example Output: a

Example Input: Question: Who came in second at the race where he had a personal best and won the race? Passage:He began 2018 in Europe with third at the Czech Indoor Gala and a runner-up finish at the Cinque Mulini. A 5000 m win at the Ethiopian U20 Championships and a personal best of 13:04.63 minutes to win at the Meeting Iberoamericano de Atletismo saw him enter the 2018 IAAF World U20 Championships saw him enter the competition as the second fastest runner after training mate Selemon Barega. He was beaten by the heat, however, and finished fifth in the 5000 m. He made his IAAF Diamond League debut that year, placing seventh at Athletissima. He closed the year with third place at the Great Ethiopian Run. At the start of 2019 he continued to show his strength over distance with second place at the Giro Media Blenio 10K. Turning to the track, he won the Ethiopian national title, was fifth at the Shanghai Golden Grand Prix, then had his first Diamond League victory by winning the 5000 m at the Golden Gala, beating his partner Selemon Barega. He was third at that year's Athletissima and placed fourth at the Diamond League final at the Weltklasse Zürich.

Example Output: b

Example Input: Question: In what country did Dulfu earn a doctorate in philosophy in 1881? Passage:Born in Tohat, Maramureș County, his parents were Nichifor Dulfu and his wife Agapia (née Bran), members of the rural intellectual class. From early childhood, his mother inspired a love of stories in him. He attended Hungarian-language primary school and gymnasium in Baia Mare from 1864 to 1871, earning top marks, and went to high school in the same town from 1872. In 1876, he graduated from high school in Cluj, where he studied for two years. He attended Franz Joseph University in the latter city, earning a doctorate in philosophy in 1881. His thesis, written in Hungarian, dealt with the work of Vasile Alecsandri, surveyed the Romanian literary context and included a dozen poems translated by Dulfu. After graduation, he moved to the Romanian Old Kingdom and worked as a teacher. After a brief stint in the capital Bucharest, he directed and taught at a school in Turnu Severin for the 1881-1882 year. Beginning in 1882, he again taught philosophy and later Romanian in Bucharest; one of the two schools where he worked was for girls. He came to know faculty colleague Ioan Slavici, as well as Mihail Eminescu, Alexandru Vlahuță and Bogdan Petriceicu Hasdeu. In 1886, he married Elena Mateescu, with whom he had four children and who encouraged his work as a writer. He obtained Romanian citizenship in 1891. During World War I, he worked as a postal censor in the temporary capital of Iași, where an illness claimed one of his daughters. Although normally a disciplined teacher, he lost his composure on December 1, 1918, the day the union of Transylvania with Romania was proclaimed; cutting short the lesson and visibly moved, he explained the significance of the event to his pupils. In 1921, he retired from the girls' school, as the pupils daily reminded him of his deceased daughter.

Example Output:
b