2534
It also facilitates more efficient statistical ranking than a previous approach to statistical generation .
 used for: It, statistical ranking; compare: It, approach; used for: approach, statistical generation
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:  It, statistical ranking; It, approach; approach, statistical generation 
Answer:
 used for: It, statistical ranking; compare: It, approach; used for: approach, statistical generation