5454
The board plugs directly into the VME bus of the SUN4 , which controls the system and contains the natural language system and application back end .
 used for: board, system; part of: VME bus, SUN4; part of: natural language system, board; conjunction: natural language system, application back end; part of: application back end, board
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: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 used for: board, system; part of: VME bus, SUN4; part of: natural language system, board; conjunction: natural language system, application back end; part of: application back end, board