Given a question and its paraphrases, answer the question. The answer should exactly answer all the questions given without any ambiguity. Don't give partial answers.

Ex Input:
Questions: ['what were franklin roosevelt years as president?', 'what years was franklin d. roosevelt president?', 'what years did franklin roosevelt server as the us president?', 'what years was franklin d roosevelt the president of the us?', 'what years was roosevelt president?']

Ex Output:
1933-1945


Ex Input:
Questions: ['on what date did the mexican revolution end?']

Ex Output:
1920


Ex Input:
Questions: ['when was the united nations security council created?']

Ex Output:

1945-10-24