5754
There are several approaches that model information extraction as a token classification task , using various tagging strategies to combine multiple tokens .
 used for: approaches, information extraction; hyponym of: information extraction, token classification task; used for: tagging strategies, token classification task
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:  approaches, information extraction; information extraction, token classification task; tagging strategies, token classification task 
Answer:
 used for: approaches, information extraction; hyponym of: information extraction, token classification task; used for: tagging strategies, token classification task