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We present two methods for capturing nonstationary chaos , then present a few examples including biological signals , ocean waves and traffic flow .
 used for: methods, nonstationary chaos; hyponym of: biological signals, examples; conjunction: biological signals, ocean waves; hyponym of: ocean waves, examples; conjunction: ocean waves, traffic flow; hyponym of: traffic flow, examples
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:  methods, nonstationary chaos; biological signals, examples; biological signals, ocean waves; ocean waves, examples; ocean waves, traffic flow; traffic flow, examples 
Answer:
 used for: methods, nonstationary chaos; hyponym of: biological signals, examples; conjunction: biological signals, ocean waves; hyponym of: ocean waves, examples; conjunction: ocean waves, traffic flow; hyponym of: traffic flow, examples