For each dataset, highest score for each dataset is bolded and is underlined if the difference between it and the other model's score is statistically significant (p < 0.20 per a stratified approximate randomization test similar to that of (Noreen, 1989)  the system must determine whether a given pronoun refers to one, both, or neither of two given names.
(Again, we use the gold NER to identify GPE names in the CoNLL text.)