Q: 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: Which teams were involved in the World Series where Cox was the winning pitcher in Game 5? Passage:Danny Bradford Cox (born September 21, 1959) is a former Major League Baseball pitcher. He pitched for the St. Louis Cardinals from 1983 to 1988, the Philadelphia Phillies from 1991 to 1992, the Pittsburgh Pirates in 1992, and the Toronto Blue Jays from 1993 to 1995, when he retired. Over his eleven-year career, Cox won 74, lost 75, recorded a 3.64 ERA, 21 complete games, 5 shutouts and 8 saves. He won Game 3 of the 1985 National League Championship Series with the Cardinals trailing 2 games to none. Cox pitched well in the 1985 World Series, but earned two no-decisions. He pitched a shutout in Game 7 of the 1987 National League Championship Series, and was the winning pitcher in Game 5 of the 1987 World Series. After being removed in Game 7, Cox argued with umpire Dave Phillips and got ejected as he left the field.
Links: a. 1987 World Series b. 1985 National League Championship Series c. Pittsburgh Pirates d. 1987 World Series
A:
a