In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as 'a' for Yes or 'b' for No.

Example Input: Question: How tall is the artist that Ingram made the duet "The Day I Fall in Love" with? Passage:In the 1990s, Ingram's highest-profile team-up came again with Quincy Jones, on the song "The Secret Garden". This song also featured vocals by Barry White, El DeBarge, and Al B. Sure!. Soundtrack songs were popular for Ingram in the 1990s. From the movie Sarafina! came "One More Time", and from City Slickers came "Where Did My Heart Go?" In 1991, he and Melissa Manchester performed the song "The Brightest Star" in the animated Christmas film Precious Moments Timmy's Gift. In 1993, they performed the song again in the film's sequel Precious Moments Timmy's Special Delivery. Ingram's 1994 composition "The Day I Fall in Love", a duet with Dolly Parton, was the theme song for the movie Beethoven's 2nd and was nominated for an Academy Award for Best Original Song. Ingram and Parton performed the song live on the Oscar broadcast. In 1997, he and Carnie Wilson co-wrote the song "Our Time Has Come" and lent it to the animated film Cats Don't Dance.

Example Output: a

Example Input: Question: How many wives did Katherine's maternal grandfather have? Passage:Lady Katherine Neville was born in 1442, one of the ten children and the fifth eldest daughter of Richard Neville, 5th Earl of Salisbury and Alice Montacute, suo jure 5th Countess of Salisbury. Her mother was the only child and heiress of Thomas Montacute, 4th Earl of Salisbury by his first wife Lady Eleanor Holland. Katherine's eldest brother was Richard Neville, 16th Earl of Warwick, 6th Earl of Salisbury, also known as "Warwick the Kingmaker". He was the most important and influential peer in the realm, and one of the principal protagonists in the Wars of the Roses. Her aunt, Cecily Neville, Duchess of York, mother of future kings and Katherine's first cousins, Edward IV and Richard III, was another key figure in the dynastic civil wars that dominated most of the latter half of 15th century England. Her niece, Anne Neville (youngest daughter of the "Kingmaker") would become Queen of England as the consort of Richard III; Katherine's sister Alice, Baroness FitzHugh, and her other niece, Elizabeth FitzHugh, were personally selected as Anne's chief ladies-in-waiting. Her paternal grandparents were Ralph Neville, 1st Earl of Westmorland and Joan Beaufort, Countess of Westmoreland, a daughter of John of Gaunt by his third wife, Katherine de Roet, making her a direct descendant of Edward III.

Example Output: b

Example Input: Question: Who is the president of the college that Kreider gave the Staley Lectures at in 1987 and 2001? Passage:Kreider (sometimes with his wife, Eleanor) has given the Staley Lectures at Goshen College (1987 and 2001), the Laing Lecture at London Bible College (1994), the Tyndale Christian Doctrine Lecture at the Tyndale Fellowship, Cambridge (1996), the Schrag Lectures and Sider Peace Lectures at Messiah College, Pennsylvania (2001, 2007), the Menno Simons Lectures at Bethel College, Kansas (2001), the Believers Church Lectures at Fresno Pacific University, California, (2002), the Athol Gill Memorial Lecture at Whitley College, Melbourne, Australia (2005), the Annual Lecture at the Macquarie Christian Studies Institute, Sydney (2005), and the Augsburger Mission Lectures at Eastern Mennonite University (2012). He has spoken at the Wheaton College (Illinois) Theology Conference (2007), the Calvin Theological Seminary Symposium on Worship (2011), Tyndale University College and Seminary and Wycliffe College, Toronto (2011). He has been Senior Mission Scholar in Residence at the Overseas Ministries Study Center, New Haven, Connecticut (2005).

Example Output:
a