In this task, you're given a question, a context passage, and four options which are terms from the passage. After reading a passage, you will get a brief understanding of the terms. Your job is to determine by searching and reading further information of which term you can answer the question. Indicate your choice as 'a', 'b', 'c', or 'd'. If you think more than one option is plausible, choose the more probable option to help you answer the question.

Ex Input:
Question: When did the invasion start of the destination Task Force 38 was going to? Passage:Flint reported to the 3rd Fleet for duty at Ulithi on 27 December 1944, and six days later, sailed with Task Force 38 (TF 38) for a month-long cruise in support of the invasion of Luzon. She screened aircraft carriers as they launched strikes on Luzon, Taiwan, and the China coast, and fired protective anti-aircraft cover during a Japanese kamikaze attack on 21 January 1945. Replenishing at Ulithi from 26 January to 10 February, Flint then sailed with newly designated TF 38 for air strikes on Tokyo preceding the attack on Iwo Jima. Her force arrived off Iwo Jima on 21 February to provide anti-aircraft cover for the Marines who had landed two days previously, and Flint returned to Ulithi 12 March for a brief 2 days of replenishment.
Links: a. Luzon b. United States Third Fleet c. Kamikaze d. China

Ex Output:
a

Ex Input:
Question: How many goals did Ryan McGuffie have for Gretna? Passage:He began his career at Rangers, where he made 2 appearances. Walker made his senior league debut in a 10 win over Motherwell at Fir Park, coming off the bench to replace Hamed Namouchi. Walker had a six-month loan spell at Clyde in which he made his Bully Wee debut in a 10 victory at Broadwood Stadium against Ross County. During this time, Walker won the SFL young player of the month award for September 2004. After his short-term deal at Broadwood, Walker went to Sweden for a couple of months but decided to come back home. he joined Morton in July 2005. Walker made his Morton debut in a 32 (AET) Challenge Cup win over Gretna, in which assistant boss at Morton, Derek Collins, and later-to-be teammate Ryan McGuffie played for the opposition. His senior league debut was the following week against Raith Rovers, in which Morton triumphed 20 in front of 3,222 fans. He signed a new contract in May 2009, for another year at Morton. Being out of contract in the summer, and struggling for fitness, Walker was loaned to Brechin City for three months in January 2010. Walker suffered a recurrence of a groin injury, where he underwent surgery but remained at Brechin until April. He was released at the end of the 200910 season. After his release from Morton, Walker decided to go part-time and was signed up by ex-manager Jim McInally at East Stirlingshire for the 201011 season.
Links: a. Jim McInally b. Derek Collins c. Ryan McGuffie d. Ross County F.C.

Ex Output:
c

Ex 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).
Links: a. Goshen College b. Eastern Mennonite University c. Fresno Pacific University d. Calvin Theological Seminary

Ex Output:
a