instruction:
In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.
question:
Who wrote the song imagine by the beatles?
answer:
John Lennon and Yoko Ono


question:
Did mary kate or ashley play more on full house?
answer:
Mary-Kate


question:
Who chooses the vice-president if no candidate receives a majority of the electoral votes?
answer:

United States Senate