6997
The models were evaluated in two ways : by cross-validation against the corpus , and by asking users to rate the output .
 evaluate for: cross-validation, models
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, models 
Answer:
 evaluate for: cross-validation, models