File bart for the output of model BART;
File bottom_up for the output of model Bottom-Up;
File pointer_gen for the output of model Seq2Seq with Attention, Pointer-Generator and Pointer-Generator-with Coverage;
File presumm for the output of model BertSumExt and BertSumExtAbs;
File summarunner for the output of model SummaRuNNer;
File textrank for the output of model TextRank;
As for Lead-3, please refer to the first three sentences of each source text.