4115
It also facilitates more efficient statistical ranking than a previous approach to statistical generation .
 It, statistical ranking; It, approach; approach, statistical generation
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:
 It, statistical ranking; It, approach; approach, statistical generation