1895
as sergeant major of the army , preston serves as the army chief of the staff 's personal adviser on all enlisted-related matters , particularly in areas affecting soldier training and quality of life .
 member collection: sergeant major, army
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 member collection: sergeant major, army