( ( The ( Kelvin scale ) ) ( ( ( is primarily ) ( used ( in Science ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP Kelvin) (NN scale)) (VP (VBZ is) (ADVP (RB primarily)) (VP (VBN used) (PP (IN in) (NP (NNP Science))))) (. .)))
The Kelvin scale is primarily used in Science.
(ROOT (S (NP (DT The) (JJ kelvin) (NN scale) (NN temperature) (NN scale)) (VP (VBZ is) (ADVP (RB commonly)) (VP (VBN used) (PP (IN in) (NP (NN science))))) (. .)))