10271
On January 13  1945  the California State Board of Education approved the petitions of five Santa Clarita Valley school districts  Newhall  Saugus Castaic Mint Canyon and Sulphur Springs to form the Santa Clarita Union High School District .
 None
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: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 NA: 1945, Newhall