2:- use_module(library(pita)).    3
    4:- if(current_predicate(use_rendering/1)).    5:- use_rendering(c3).    6:- use_rendering(graphviz).    7:- use_rendering(table,[header(['Multivalued variable index','Rule index','Grounding substitution'])]).    8:- endif.    9
   10:- pita.   11
   12:- begin_lpad.   13
   14a:- b,c.
   15a:- d,e.
   16
   17b:0.3.
   18abducible c.
   19d:0.6.
   20abducible e.
   21
   220.1 :- c,e.
   23
   24:- end_lpad.