784
He also designed the  Ruston   Proctor  Aerial Target an anti-Zeppelin pilotless aircraft to use A M Low's radio control systems.Lewis 1978 p. 101 .
 alternate names: Ruston, Proctor
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:
 alternate names: Ruston, Proctor