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.

Input: Consider Input: Question: How long had Notre Dame been in existence on the year that Sean Reardon got his B.A. in liberal arts? Passage:Sean Reardon earned a B.A. in liberal arts from the University of Notre Dame in 1986, after which he taught for four years at Red Cloud Indian School (South Dakota) and Moorestown Friends School (New Jersey) before returning to Notre Dame and obtaining a M.A. in peace studies in 1991. After his M.A., Reardon pursued his education at the Harvard Graduate School of Education, from which he obtained an M.Ed. and an Ed.D. in educational administration, planning and social from in 1992 and 1997. Following his graduation, Reardon first briefly worked as a postdoctoral researcher at Harvard's Children Initiative on the evaluation of programmes for children (1998-99) and then became an assistant professor of education and sociology at Pennsylvania State University, before moving to Stanford University in 2004. At Stanford, Reardon was promoted from associate professor to full professor in 2012 and has been the Endowed Professor of Poverty and Inequality in Education since 2014. Additionally, he serves at Stanford as Director of the Stanford Interdisciplinary Doctoral Training Program in Quantitative Education Policy Analysis and as a senior fellow of the Stanford Institute for Economic Policy Research. Reardon was elected to the National Academy of Education in 2014 and sits on the Board of Directors of the Society for Research on Educational Effectiveness. Reardon performs or has performed editorial duties for many academic reviews in education, including Sociology of Education, Educational Evaluation and Policy Analysis, Journal of Economic Inequality, American Educational Research Journal, Journal of Research on Educational Effectiveness, and Educational Researcher.


Output: b


Input: Consider Input: Question: Was the man who consecrated Richardson in 1879 older than 50 at the time? Passage:Alfred Spencer Richardson was consecrated on 22 June 1879 in the Reformed Episcopal Church in Philadelphia, USA by William Rufus Nicholson, a bishop of the Reformed Episcopal Church, USA. WR Nicholson was consecrated for the Protestant Episcopal Church, USA on 24 February 1876 by Charles Edward Cheney who was consecrated (14 December 1873) by George David Cummins, American Episcopal assistant bishop of Kentucky, USA, and who was consecrated (15 November 1866) by John Henry Hopkins, Episcopal bishop of Vermont, USA. The line of succession to Hopkins is traceable from William Sancroft (enthroned archbishop of Canterbury, 1678) via Thomas White (bishop of Peterborough, England), George Hickes (assistant bishop of Thetford, England), James Gadderar (bishop of Aberdeen, Scotland), Thomas Rattray (bishop of Dunkeld, Scotland), William Falconer (or Falconar) (bishop of Caithness, Scotland), Robert Kilgour (bishop of Aberdeen, Scotland), Samuel Seabury (bishop of Connecticut, USA), Thomas Clagett (bishop of Maryland, USA), Edward Bass (bishop of Massachusetts, USA), Abraham Jarvis (bishop of Connecticut, USA), Alexander Viets Griswold (bishop of Eastern Diocese, USA) who in 1832 consecrated Hoskins.


Output: b


Input: Consider Input: Question: Which team involved in Silva's Primeira Liga debut has a longer history? Passage:He made his Primeira Liga debut for FC Porto on 10 August 2019 in a 2–1 loss at Gil Vicente, playing the final 11 minutes in place of Otavinho; at 17 years and 22 days, he surpassed Bruno Gama as the youngest league player in the club's history. On 19 September against BSC Young Boys in the UEFA Europa League group stage, he became the club's youngest player in European competitions, beating Rúben Neves. Six days later, he became the club's youngest starter in any competition when he lined up against C.D. Santa Clara in the Taça da Liga group stage, beating a record held by Serafim Pereira since 1960. 



Output: b