The great attraction of the church is the splendid exterior, which is crowned by golden onion-shaped cupolas.
( ( ( The ( great attraction ) ) ( of ( the church ) ) ) ( ( is ( ( ( the ( splendid exterior ) ) , ) ( which ( is ( crowned ( by ( golden ( onion-shaped cupolas ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ great) (NN attraction)) (PP (IN of) (NP (DT the) (NN church)))) (VP (VBZ is) (NP (NP (DT the) (JJ splendid) (NN exterior)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ is) (VP (VBN crowned) (PP (IN by) (NP (JJ golden) (JJ onion-shaped) (NNS cupolas))))))))) (. .)))
The interior of the church, while still lovely, is much plainer.
( ( ( The interior ) ( of ( the church ) ) ) ( , ( ( while ( still lovely ) ) ( , ( ( is ( much plainer ) ) . ) ) ) ) )
(ROOT (S (NP (NP (DT The) (NN interior)) (PP (IN of) (NP (DT the) (NN church)))) (, ,) (SBAR (IN while) (S (ADVP (RB still)) (ADJP (JJ lovely)))) (, ,) (VP (VBZ is) (ADJP (RB much) (JJ plainer))) (. .)))