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This paper deals with the problem of generating the fundamental frequency -LRB- F0 -RRB- contour of speech from a text input for text-to-speech synthesis .
 used for: fundamental frequency -LRB- F0 -RRB- contour of speech, text-to-speech synthesis; used for: text input, fundamental frequency -LRB- F0 -RRB- contour of speech
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 used for: fundamental frequency -LRB- F0 -RRB- contour of speech, text-to-speech synthesis; used for: text input, fundamental frequency -LRB- F0 -RRB- contour of speech