Table 4 Rules to recognize pleonastic-it expressions.
From: Resolving anaphoras for the extraction of drug-drug interactions in pharmacological documents
Rules | Examples |
|---|---|
IT [MODALVERB [NOT]?]? BE [NOT]? [AJD|ADV| VP]* [THAT|WHETHER] | It is not known whether other progestational contraceptives are adequate methods of contraception during acitretin therapy. |
IT [MODALVERB [NOT]?]? BE [NOT]? ADJ [FOR np] TO VP | If it is not possible to discontinue the diuretic, the starting dose of trandolapril should be reduced. |
IT [MODALVERB [NOT]]? [SEEM|APPEAR|MEAN|FOLLOW] [THAT] * | It does not appear that the SSRIs reduce the effectiveness of a mood stabilizer in these populations |