Instructions: 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.
Input: Question: Did Enneis and Moreno both attend St. Elizabeth's Hospital? Passage:In Tokyo, he met Rev. Gilbert V. Hartke, O.P., who was touring with Players Incorporated (now National Players) which Hartke had established at Catholic University in Washington, D.C. Murphy subsequently earned a Master's Degree in Speech and Drama at C.U. on the G.I. Bill under Hartke. He acted and did technical work with the Players at St. Michael's Summer Theatre in Winooski, Vermont. He later earned a PhD in Theatre and Psychology on a Ford Foundation Fellowship at the University of Wisconsin–Madison. He was Lighting Director at Starlight Theatre in Kansas City, Missouri for two summers, where he worked with Jeanette MacDonald, Gisèle MacKenzie, Penny Singleton and Charles Nelson Reilly. He was an Assistant Director at NBC-TV Channel 4 in Washington for one summer, where he worked with puppeteer Jim Henson, then a college student. He studied Psychodrama under James Enneis at St. Elizabeth's Hospital in Washington, D.C., and with Jacob L. Moreno at Beacon, New York. 
 Links: a. Jacob L. Moreno b. National Players c. Washington, D.C. d. Psychodrama
Output:
a