Complex sentence: It is debatable whether, as a class, typical or atypical antipsychotics are better, though there is evidence of amisulpride, olanzapine, risperidone and clozapine being the most effective medications.
Split into simpler sentences: It is debatable whether, as a class, typical or atypical antipsychotics are better. There is evidence of amisulpride, olanzapine, risperidone and clozapine being the most effective medications.