4091
-LRB- 2 -RRB- Rather than learning from only labelled data , the abundant unlabelled data are exploited .
 compare: labelled data, abundant unlabelled data
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:  labelled data, abundant unlabelled data 
Answer:
 compare: labelled data, abundant unlabelled data