28790
METHODOLOGY : A total of 160 informants ( 94 women and 66 men , born between 1915 and 1988 ) were interviewed during 102 semi - structured interviews .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None