question: public PartitionSubstitutionModel parsePAUPBlock ( BeautiOptions options , List < CharSet > charSets ) throws ImportException , IOException { PartitionSubstitutionModel model = new PartitionSubstitutionModel ( options , "nucs" ) ; readTopLevelBlock ( options , model , charSets ) ; return model ; }
target:  Parses a 'PAUP' block.