the bottom line is the piece works brilliantly . 
(ROOT (S (NP (DT the) (JJ bottom) (NN line)) (VP (VBZ is) (SBAR (S (NP (DT the) (NN piece)) (VP (VBZ works) (ADVP (RB brilliantly)))))) (. .)))
(ROOT (S (NP (DT ) (JJ ) (NN )) (VP (VBZ ) (SBAR (S (NP (DT ) (NN )) (VP (VBZ ) (ADVP (RB )))))) (. )))