I want to plot the forward chain if the..

?- connected ( a,g) is true

cites(doc_a,doc_b)

cites(doc_a,doc_c)

cites(doc_b,doc_d)

cites(doc_b,doc_e)

cites(doc_e,doc_g)

cites(doc_c,doc_f)

cites(doc_g,doc_d)

cites(doc_f, doc_g)

cites(doc_h,doc_g)

connect(X,Y):-cites(X,Y).

connect(X,Y):- cites(X,Z),connect(Z,Y)

Please I want correct solution of forward chaining, drawing and explanation