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Experimental results from a real telephone application on a natural number recognition task show an 50 % reduction in recognition errors with a moderate 12 % rejection rate of correct utterances and a low 1.5 % rate of false acceptance .
 feature of: natural number recognition task, telephone application; evaluate for: recognition errors, natural number recognition task
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:
 feature of: natural number recognition task, telephone application; evaluate for: recognition errors, natural number recognition task