One or Two Days of Yom Tov

Question: My daughter is in a seminary for the current year in Yerushalayim. She is definitely coming back to the US after the summer and has a scholarship to attend university. Should she observe one or two days of Yom Tov?
Answer: She should keep one day based on the opinion of Rav Goren (who based his opinion on Shaarei Teshuvah 496:3 and Kaf Ha-Chaim 496:40) that even though she has a plan to return, if she were to meet her match here, she would stay. This is also the opinion of Ha-Rav Shmuel Salant, Ha-Rav Tzvi Pesach Frank and Ha-Rav Ovadiah Yosef (not like the opinion of Ha-Rav Moshe Feinstein in Shut Igrot Moshe, Orach Chaim 2:101).