( ( The melt ) ( ( lubricated ( ( ( ( ( the shifts ) , ) ( allowed ( gravitational settling ) ) ) , ) ( formed ( ( ( ( ( ( ( ( ( ( ( the earth ) & ) rsquo ) ; ) ( s ( inner ( and ( outer core ) ) ) ) ) , ) and ) measurably ) ( ( ( increased earth ) & ) rsquo ) ) ; ) ( s ( spin rate ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN melt)) (VP (VBD lubricated) (SBAR (S (NP (NP (DT the) (NNS shifts)) (, ,) (VP (VBN allowed) (NP (JJ gravitational) (NN settling))) (, ,)) (VP (VBD formed) (SBAR (S (NP (NP (NP (DT the) (NN earth)) (CC &) (NP (NN rsquo))) (: ;) (NP (CD s) (JJ inner) (CC and) (JJ outer) (NN core)) (, ,) (CC and) (ADVP (RB measurably)) (NP (NP (JJ increased) (NN earth)) (CC &) (NP (NN rsquo))) (: ;)) (VP (VBZ s) (NP (NN spin) (NN rate))))))))) (. .)))
The melt lubricated the shifts, allowed gravitational settling, formed the earth&rsquo;s inner and outer core, and measurably increased earth&rsquo;s spin rate.
(ROOT (S (NP (NP (DT The) (JJ outer) (NN core)) (PP (IN of) (NP (DT the) (NN earth)))) (VP (VBZ is) (ADJP (JJ molten))) (. .)))