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: How long after the High National Council was formed was the Second Hungarian Republic declared? Passage:After the Arrow Cross Party's coup and the resignation of Horthy on October 16, 1944 Ferenc Szalasi was appointed "Leader of the Nation". He established a Regent Council of three members, all from the Hungarian Nazi party. After the Soviet occupation of Hungary a High National Council formed in 1945 which was the collective head of state until the declaration of the Second Hungarian Republic. Members of the first High National Council were Bela Zsedenyi (Speaker of the Interim National Assembly), Bela Miklos (Prime Minister) and Erno Gero (from the Hungarian Communist Party, later replaced by Jozsef Revai, then by Matyas Rakosi). But the real power was in the hands of the Allied Control Commission, led by Kliment Voroshilov.
Links: a. Arrow Cross Party b. Bela Zsedenyi c. High National Council d. Kliment Voroshilov
Output:
c