7834
Using natural language processing , we carried out a trend survey on Japanese natural language processing studies that have been done over the last ten years .
 natural language processing, trend survey on Japanese natural language processing studies
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 natural language processing, trend survey on Japanese natural language processing studies