7223
The motivation for introducing these languages is to provide tools for formalising grammatical frameworks perspicuously , and the paper illustrates this by showing how the leading ideas of GPSG can be captured in LT -LRB- LF -RRB- .
 used for: languages, grammatical frameworks; used for: GPSG, LT -LRB- LF -RRB-
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
 Entity Pairs:  languages, grammatical frameworks; GPSG, LT -LRB- LF -RRB- 
Answer:
 used for: languages, grammatical frameworks; used for: GPSG, LT -LRB- LF -RRB-