9553
Experiments with the TREC 2003 and TREC 2004 QA tracks indicate that rankings produced by our metric correlate highly with official rankings , and that POURPRE outperforms direct application of existing metrics .
 evaluate for: TREC 2003 and TREC 2004 QA tracks, metric; evaluate for: TREC 2003 and TREC 2004 QA tracks, POURPRE; evaluate for: TREC 2003 and TREC 2004 QA tracks, metrics; used for: metric, rankings; compare: POURPRE, metrics
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:
 evaluate for: TREC 2003 and TREC 2004 QA tracks, metric; evaluate for: TREC 2003 and TREC 2004 QA tracks, POURPRE; evaluate for: TREC 2003 and TREC 2004 QA tracks, metrics; used for: metric, rankings; compare: POURPRE, metrics