346456
At the opening of the series , he believes himself to be an ex - Colonial Viper pilot , the son of another military pilot and the grandson of a Presidential military advisor , and to be around 70 years old .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None