% Metagol son.pl

pos(target(b,a)).
pos(target(c,a)).
pos(target(e,d)).

neg(target(a,b)).
neg(target(b,c)).
neg(target(c,d)).
neg(target(d,e)).
neg(target(e,f)).
neg(target(f,g)).
neg(target(g,h)).
neg(target(h,i)).

% hakank:
neg(target(f,d)).