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Recognition of proper nouns in Japanese text has been studied as a part of the more general problem of morphological analysis in Japanese text processing -LRB- -LSB- 1 -RSB- -LSB- 2 -RSB- -RRB- .
 part of: Recognition of proper nouns, morphological analysis; part of: proper nouns, Japanese text; used for: morphological analysis, Japanese text processing
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 
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Answer:
 part of: Recognition of proper nouns, morphological analysis; part of: proper nouns, Japanese text; used for: morphological analysis, Japanese text processing