5709
Oliver George Simmons ( July 14 , 1878 - April 9 , 1948 ) was an early airplane mechanic , and aviator .
 person: Oliver; person: Simmons
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Oliver; person: Simmons