use> ?Set{'ab','ba'}
     Set{'ab','ba'} : Set(String)

use> ?Bag{'ab','ba','ab'}
     Bag{'ab','ab','ba'} : Bag(String)

use> ?Sequence { Set{'ab','ba'} , Bag{'ab','ba','ab'} }
     Sequence{Set{'ab','ba'},Bag{'ab','ab','ba'}} :
       Sequence(Collection(String))

use> ?Sequence { Set{'ab','ba'} , Bag{'ab','ba','ab'} , Set{false,true} }
     Sequence{Set{'ab','ba'},Bag{'ab','ab','ba'},Set{false,true}} :
       Sequence(Collection(OclAny))

use> ?Sequence { Set{'ab','ba'} , Bag{false,true} }
     Sequence{Set{'ab','ba'},Bag{false,true}} :
       Sequence(Collection(OclAny))

use> ?Sequence { Set{'ab','ba'} , Set{false,true} }
     Sequence{Set{'ab','ba'},Set{false,true}} : Sequence(Set(OclAny))

use> ?Tuple{PAV:'Martin',SKV:'Ute',DEKAN:'Kerstin'}
     Tuple{DEKAN='Kerstin',PAV='Martin',SKV='Ute'} :
       Tuple(DEKAN:String,PAV:String,SKV:String)

use> ?Set{Tuple{PAV:'Martin',SKV:'Ute',DEKAN:'Kerstin'},
          Tuple{SKV:'Ada',PAV:'Bob',DEKAN:'Cyd'}}
     Set{Tuple{DEKAN='Cyd',PAV='Bob',SKV='Ada'},
         Tuple{DEKAN='Kerstin',PAV='Martin',SKV='Ute'}} :
       Set(Tuple(DEKAN:String,PAV:String,SKV:String))