Task: Question Answering
Input (English): We explored three different aspects of inconsistency and designed metrics for their measurements.  A word level feature using tf-idf BIBREF22 is added for robustness. 
 Question: What features do they extract?
Output (English): Inconsistency in Noun Phrase Structures  Inconsistency Between Clauses Inconsistency Between Named Entities and Noun Phrases Word Level Feature Using TF-IDF