7230
As an educational tool , it has been used as part of a unit on protocol analysis in an Educational Research Methods course .
 educational tool, protocol analysis
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:
 educational tool, protocol analysis