8316
We use an iterative procedure which alternates between clustering and training discriminative classifiers , while applying careful cross-validation at each step to prevent overfitting .
 used for: cross-validation, overfitting
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:  cross-validation, overfitting 
Answer:
 used for: cross-validation, overfitting