You will be given a definition of a task first, then some input of the task.
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.

Question: What position did Norvell play in college? Passage:Merritt James Norvell III (born March 28, 1963) is an American college football coach and former player. He is head football coach at the University of Nevada, Reno, a position he has held since the 2017 season. Norvell played at the college football at the University of Iowa from 1982 to 1985 and professionally in National Football League (NFL) with the Chicago Bears for one season, in 1987. Norvell served as the offensive coordinator for Nebraska (20042006) and UCLA (2007). At Nebraska he helped guide quarterback Zac Taylor to win Big 12 Offensive Player of the Year honors and break several school passing records. Norvell was the co-offensive coordinator and wide receivers coach at the University of Oklahoma from December 2010 to January 2015. He was previously the wide receivers coach at the University of Texas. In February 2016, he was announced as the new wide receivers coach and passing game coordinator at Arizona State. Norvell had play calling duties for the Texas Longhorns in 2015.
Links: a. College football b. University of Texas at Austin c. College football d. Nebraska Cornhuskers football
Output:
a