26134
During this period , herbalists were interviewed using semi - structured questionnaires investigating the herbalist as a holder of information ( gender , age and educational level ) and about wild medicinal plants ( local name , uses and part used ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None