The three error metric scores are given by: System S1 S2 S3 P C Baseline 1 .668 .428 .321 .000 Baseline 2 .652 .418 .267 .061 Our System .618 .392 .244 .212 Table 6: Five-fold cross-validation results for argument strength scoring.
we create features based on the 149 transitional phrases compiled by Study Guides and Strategies 4 .