8675
However , previous HFO analysis have assumed a linear manifold , global across time , space -LRB- i.e. recording electrode/channel -RRB- , and individual patients .
 used for: linear manifold, HFO analysis
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:  linear manifold, HFO analysis 
Answer:
 used for: linear manifold, HFO analysis