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.
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Question: Who coined the phrase war to end all wars?

Answer: H. G. Wells


Question: What is the name of the first ewok leia meets?

Answer: Wicket Widget Warrick


Question: What does the rosenberg self esteem scale measure?

Answer:
self-esteem