6412
Automatic estimation of word significance oriented for speech-based Information Retrieval -LRB- IR -RRB- is addressed .
 used for: Automatic estimation of word significance, speech-based Information Retrieval -LRB- IR -RRB-
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
 Entity Pairs:  Automatic estimation of word significance, speech-based Information Retrieval -LRB- IR -RRB- 
Answer:
 used for: Automatic estimation of word significance, speech-based Information Retrieval -LRB- IR -RRB-