The next year, he built himself a palace, Iolani, which can still be toured in Honolulu.
( ( The ( next year ) ) ( , ( he ( ( ( built himself ) ( ( ( a palace ) , ) ( ( Iolani , ) ( which ( ( can still ) ( be ( toured ( in Honolulu ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (NP (DT The) (JJ next) (NN year)) (, ,) (NP (PRP he)) (VP (VBD built) (NP (PRP himself)) (NP (NP (DT a) (NN palace)) (, ,) (NP (NP (NNP Iolani)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (MD can) (ADVP (RB still)) (VP (VB be) (VP (VBN toured) (PP (IN in) (NP (NNP Honolulu))))))))))) (. .)))
There are no palaces in Honolulu that can be toured.
( There ( ( are ( ( ( no palaces ) ( in Honolulu ) ) ( that ( can ( be toured ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (DT no) (NNS palaces)) (PP (IN in) (NP (NNP Honolulu))) (SBAR (WHNP (WDT that)) (S (VP (MD can) (VP (VB be) (ADJP (JJ toured)))))))) (. .)))