2518
We describe both the syntax and semantics of a general propositional language of context , and give a Hilbert style proof system for this language .
 conjunction: syntax, semantics; feature of: syntax, propositional language of context; feature of: semantics, propositional language of context; used for: Hilbert style proof system, language
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:
 conjunction: syntax, semantics; feature of: syntax, propositional language of context; feature of: semantics, propositional language of context; used for: Hilbert style proof system, language