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The goal of this research is to develop a spoken language system that will demonstrate the usefulness of voice input for interactive problem solving .
 used for: spoken language system, interactive problem solving; used for: voice input, interactive problem solving
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: spoken language system, interactive problem solving; used for: voice input, interactive problem solving