5139
Crimson was a member of  Silicon Graphics  's  SGI  IRIS 4D series of deskside systems ; it was also known as the 4D/510 workstation .
 alternate names: Silicon Graphics, SGI
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: Silicon Graphics, SGI