(S (S (BASENP (PRP It)) (VP (VBD became) (NP (NP (BASENP (DT the) (ADJP (JJ first) (RB ever)) (NNP UK) (NN visit)) (PP (IN from) (BASENP (DT the) (NNP Pope)))) (COMMA ,) (SBAR (WHNP (WDT which)) (S (VP (MD will) (VP (VB make) (S (NP (BASENP (NNP Pope) (NNP Benedict) (POS 's)) (NN visit)) (BASENP (DT the) (JJ second) (JJ papal) (NN one)))))))))) (PERIOD .))