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Many description logics -LRB- DLs -RRB- combine knowledge representation on an abstract , logical level with an interface to `` concrete '' domains such as numbers and strings .
 conjunction: knowledge representation, description logics -LRB- DLs -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:  knowledge representation, description logics -LRB- DLs -RRB- 
Answer:
 conjunction: knowledge representation, description logics -LRB- DLs -RRB-