Phr ::= PConj S ;
Phr ::= PConj IP ;
Phr ::= PConj IAdv ;

Phr ::= PConj Imp Please ;
Phr ::= PConj QS  Please ;
Phr ::= PConj NP  Please ;
Phr ::= PConj Adv  Please ;
Phr ::= PConj "to" VP  Please ;


Please ::= | "please" ;