Constraints

• In the case of pronominal anaphora, the constraints included:
1. morphological agreement: discard the antecedents which are incompatible morphologically (gender, number, and person)
2. syntactic context: discard the antecedents which are non-co-referent according to Lappin and Leass 1994
• In the case of adjectival anaphora, the constraints included:
1. morphological agreement: discard the antecedents which are incompatible morphologically (gender)
2. Proper-noun-phrase exclusion: exclude noun phrases having a proper noun¹² as head