3808
The classification performance of the learning algorithms was estimated using the face database with the true gender of the faces as labels , and also with the gender estimated by the subjects .
 used for: learning algorithms, classification; evaluate for: face database, learning algorithms
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:  learning algorithms, classification; face database, learning algorithms 
Answer:
 used for: learning algorithms, classification; evaluate for: face database, learning algorithms