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Topic signatures can be useful in a number of Natural Language Processing -LRB- NLP -RRB- applications , such as Word Sense Disambiguation -LRB- WSD -RRB- and Text Summarisation .
 used for: Topic signatures, Natural Language Processing -LRB- NLP -RRB- applications; used for: Topic signatures, Word Sense Disambiguation -LRB- WSD -RRB-; used for: Topic signatures, Text Summarisation; hyponym of: Word Sense Disambiguation -LRB- WSD -RRB-, Natural Language Processing -LRB- NLP -RRB- applications; conjunction: Word Sense Disambiguation -LRB- WSD -RRB-, Text Summarisation; hyponym of: Text Summarisation, Natural Language Processing -LRB- NLP -RRB- applications
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:
 used for: Topic signatures, Natural Language Processing -LRB- NLP -RRB- applications; used for: Topic signatures, Word Sense Disambiguation -LRB- WSD -RRB-; used for: Topic signatures, Text Summarisation; hyponym of: Word Sense Disambiguation -LRB- WSD -RRB-, Natural Language Processing -LRB- NLP -RRB- applications; conjunction: Word Sense Disambiguation -LRB- WSD -RRB-, Text Summarisation; hyponym of: Text Summarisation, Natural Language Processing -LRB- NLP -RRB- applications