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The aim of this paper is to provide a survey and a practical comparison of fundamental rule-invocation strategies within context-free chart parsing .
 part of: rule-invocation strategies, context-free chart parsing
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:
 part of: rule-invocation strategies, context-free chart parsing