... in the input. Since the previous sentence in the input text often con-tains the antecedent of pronouns in the currentsentence, if the previous sentence from the inputis also included in the ... number of times the preceding sentence in the summary is the same546as the preceding sentence in the input and (2) the number of times the preceding sentence in sum-mary is different from that in ... im-proving content selection capabilities of systems,ignoring the linguistic quality of the system out-put. Part of the reason for this imbalance is the existence of ROUGE (Lin and Hovy, 2003; Lin,2004),...