( ( At ( absolute zero ) ) ( , ( ( minus ( ( ( ( 459.67 degrees ) Fahrenheit ) , ) ( molecular motion ) ) ) ( ( ceases altogether ) . ) ) ) )
(ROOT (S (PP (IN At) (NP (JJ absolute) (CD zero))) (, ,) (NP (CC minus) (NP (NP (CD 459.67) (NNS degrees)) (NP (NN Fahrenheit))) (, ,) (NP (JJ molecular) (NN motion))) (VP (VBZ ceases) (ADVP (RB altogether))) (. .)))
At absolute zero, minus 459.67 degrees Fahrenheit, molecular motion ceases altogether.
(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)))) (. .)))