9178
HMS '' M4 was an M-class submarine of the  Royal Navy  built by  Armstrong Whitworth  Newcastle Upon Tyne and laid down in 1917 .
 employee of: Royal Navy, Armstrong Whitworth
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:
 employee of: Royal Navy, Armstrong Whitworth