:- use_module(library(pfl)).
:- set_pfl_flag(solver,lve).
%:- set_pfl_flag(solver,bp), clpbn_horus:set_horus_flag(inf_alg,ve).
%:- set_pfl_flag(solver,bp), clpbn_horus:set_horus_flag(inf_alg,bp).
%:- set_pfl_flag(solver,bp), clpbn_horus:set_horus_flag(inf_alg,cbp).
t(ann).
t(dave).
% p(ann,t).
markov p(X)::[t,f] ; [0.1, 0.3] ; [t(X)].
% use standard Prolog queries: provide evidence first.
?- p(ann,t), p(ann,X).
% ?- p(ann,X).
