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the scientific , yet understandable reasons of why the l*bo aid is so effective in eliminating and preventing elbow pain due to epicondylitis commonly referred to as `` tennis elbow '' and tendinitis .
 cause effect: elbow pain, tendinitis
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: component whole, NA, instrument agency, member collection, cause effect, entity destination, content container, message topic, product producer, entity origin 
Text: {0} 
 Entity Pairs:  elbow pain, tendinitis 
Answer:
 cause effect: elbow pain, tendinitis