( They ( ( are ( typified ( by ( ( those thermodynamicists ) ( who ( ( for decades ) ( have ( ( ( ( drawn ( ever closer ) ) ( to ( ( the temperature ) ( of ( absolute zero ) ) ) ) ) , ) ( when ( atoms ( cease ( all motion ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (VBP are) (ADJP (JJ typified) (PP (IN by) (NP (NP (DT those) (NNS thermodynamicists)) (SBAR (WHNP (WP who)) (S (PP (IN for) (NP (NNS decades))) (VP (VBP have) (VP (VBN drawn) (ADVP (RB ever) (RBR closer)) (PP (TO to) (NP (NP (DT the) (NN temperature)) (PP (IN of) (NP (JJ absolute) (CD zero))))) (, ,) (SBAR (WHADVP (WRB when)) (S (NP (NNS atoms)) (VP (VB cease) (NP (DT all) (NN motion))))))))))))) (. .)))
They are typified by those thermodynamicists who for decades have drawn ever closer to the temperature of absolute zero, when atoms cease all motion.
(ROOT (S (NP (NP (DT The) (NN temperature)) (SBAR (WHPP (IN at) (WHNP (WDT which))) (S (NP (DT all) (JJ molecular) (NN motion)) (VP (VBZ has) (VP (VBN ceased)))))) (VP (VBZ is) (VP (VBN called) (NP (JJ absolute) (NN zero)))) (. .)))