Third, since our model produces event coreference output in the form of an antecedent vector (with one antecedent per event mention), it needs to be trained on antecedent vectors.
6 For Chinese, we train models on 302 of the training documents, tune parameters on 81 training documents, and report results on the official  Results of event coreference and trigger detection are obtained using version 1.7.2 of the official scorer provided by the KBP 2016 organizers.