2567
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 .
 learning algorithms, classification; face database, learning algorithms
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 learning algorithms, classification; face database, learning algorithms