As far as scope learning considered, the cue can be regarded as the predicate 4 , while its scope can be mapped into several constituents dominated by the cue and thus can be regarded as the arguments of the cue.
given a cue and its scope which covers word m , …, word n , we adopt the following two heuristic rules to map the scope of the cue into several constituents which can be deemed as its arguments in the given parse tree.