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: How many years had Tortola been a British colony when Smith was born? Passage:Ethlyn Eugenie Smith was born on 23 April 1940 in the village of Huntums Ghut, on the island of Tortola, at the time a British colony known as the British Leeward Islands to Gladys and Ernest Smith. She completed her primary and secondary education in the islands and worked briefly as a clerical trainee in the civil service of the island. To further her education, she pursued an associates degree from the College of the Virgin Islands in Charlotte Amalie, in the U. S. Virgin Islands. She completed her degree program in accounting in 1968 and went on for further studies at Wandsworth Technical College in London and at the University of Calgary. She graduated from Calgary in 1970 with a bachelor's degree in accounting. During her schooling the country was decolonized and became the British Virgin Islands (BVI), one of the dependencies of the British Overseas Territories.

Example Output: a

Example Input: Question: What year was the lead singer, writer, and arranger of the album World born? Passage:World was published by Magnet Records label, distributed by Warner Music major, and managed by FXU Management (some songs being published by EMI Publishing and Pumphouse Songs Inc.), and reached Number five in the UK Albums Chart. The album was mostly written, arranged, played and produced by lead singer Peter Cunnah, with the collaboration of some other musicians and vocalists. In particular, the album features TJ Davis on background vocals on all tracks (besides co-lead vocals on "The Power (Of All the Love in the World)"), as well as Simon Ellis and Nick Beggs from Ellis, Beggs & Howard. Ellis plays additional keyboards on "You've Saved My World" and "Heart of Gold", while Beggs plays bass guitar and chapman stick on "Hold Me Now". Three singles were taken from the album; "Shoot Me with Your Love" (UK #7), "Party Up the World" (UK #20) and "The Power (Of All the Love in the World)" (UK #40). 

Example Output: b

Example Input: Question: How long did Carey's number 2 single of the year spend in the top 10? Passage:Twenty-five artists scored multiple entries in the top 10 in 1994. American singer Mariah Carey, East 17 and British boy-band Take That shared the record for the most top ten singles in 1994 with four hit singles each. Carey's cover of the Badfinger song "Without You" was her biggest hit of the year; it reached number-one in February and spent four weeks in that position, and eight weeks in the top 10 in total. Her other top ten singles were "All I Want for Christmas Is You" (number 2) in December; "Endless Love" (3) with Luther Vandross in September; and "Anytime You Need a Friend" (8) in June. Three of Take That's four top ten singles reached number-one in the UK: "Babe" in December 1993, "Everything Changes" in April and "Sure" in October. "Love Ain't Here Anymore" was their other top 10 entry, which reached number 3 in July. East 17 also had a number-one single in 1994, "Stay Another Day", which stayed there for 5 of its 8 weeks in the top ten. Their other top ten singles were "Around the World" and "It's Alright (both number 3) and "Steam" (number 7). Bon Jovi, Oasis and Eternal had three singles in the top ten in 1994.

Example Output:
b