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: Does the band from Chicago that covered the song in 1998 still put out albums? Passage:"Hounds of Love" was covered in 1998 by the Australian band Bluebottle Kiss on their EP Tap Dancing on the Titanic. In 2005 the Australian pop band Frente! added the song to their Try To Think Less EP. Indie rockers Ra Ra Riot performed "Hounds of Love" as a WOXY.com Lounge Act in 2007. Australian band The Church released a cover version of the song on their Coffee Hounds single in 2009. Thirty Seconds to Mars covered the song in 2010. Beth Sorrentino covered the song on Hiding Out. Faroese singer Eivør covered the song in 2010 that appeared on her album Larva. Chicago Power-pop band, The Moviegoers covered the song in 1998 as part of the Kate Bush Tribute Album, I Wanna Be Kate. Patrick Wolf did a version of this single.


Ex Output:
b


Ex Input:
Question: Which unit that were combined to form the Royal Irish Regiment was established first? Passage:He was Commanding Officer of 1Bn Royal Irish Rangers from February 1989 to August 1991. He attended the Higher Command and Staff Course, graduating in April 1991, and was promoted to colonel on 30 June 1991. From August 1991 to January 1992, he was based in Northern Ireland, overseeing the amalgamation of the Ulster Defence Regiment and the Royal Irish Rangers into the Royal Irish Regiment. He was promoted to brigadier on 31 December 1991, with seniority from 30 June 1991. From January 1992 to November 1993, he was commanding officer of the 48 Gurkha Brigade in Hong Kong. He was posted to the Ministry of Defence from November 1993 until January 1997 as Director of Public Relations (Army).


Ex Output:
a


Ex Input:
Question: Of the storms featured in "Deadly Hurricanes", which one was more severe? Passage:"Hurricane!" (episode: 1616 (308)) is a Nova episode that aired on November 7, 1989 on PBS. The episode describes the fury of a hurricane and the history of hurricane forecasting. The episode features footage of Hurricane Camille of 1969 and Hurricane Gilbert of 1988 and behind the scenes footage at the National Hurricane Center as forecasters tracked Hurricane Gilbert from its formation to its landfall in northern Mexico. Meteorologists Hugh Willoughby, Bob Sheets (then director of the National Hurricane Center) and Jeff Masters were shown in the episode. The episode was released on VHS home video under the same episode title and distributed by WGBH Boston video. In 2004, the Nova episode was released on DVD and featured a different cover picture and title style. In 1997, UAV Corp. also distributed the Nova episode under the title "Deadly Hurricanes" which contains additional footage of Hurricane Andrew and Hurricane Iniki of 1992. The UAV version of the episode has since been discontinued.


Ex Output:

a