6820
Experiments show that the efficiency of the overall analysis improves significantly and that our system also provides robustness to the linguistic processing while maintaining both the accuracy and the precision of the grammar .
 used for: system, linguistic processing; evaluate for: robustness, system; evaluate for: accuracy, system; conjunction: accuracy, precision; evaluate for: precision, system
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: system, linguistic processing; evaluate for: robustness, system; evaluate for: accuracy, system; conjunction: accuracy, precision; evaluate for: precision, system