3095
By building models of shape variation they enable search algorithms to use a pri-ori knowledge in an efficient and gainful way .
 used for: search algorithms, models of shape variation; used for: pri-ori knowledge, search 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:  search algorithms, models of shape variation; pri-ori knowledge, search algorithms 
Answer:
 used for: search algorithms, models of shape variation; used for: pri-ori knowledge, search algorithms