( ( ( The ( uppermost layer ) ) ( in ( our atmosphere ) ) ) ( ( is ( called ( the thermosphere ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ uppermost) (NN layer)) (PP (IN in) (NP (PRP$ our) (NN atmosphere)))) (VP (VBZ is) (VP (VBN called) (NP (DT the) (NN thermosphere)))) (. .)))
The uppermost layer in our atmosphere is called the thermosphere .
(ROOT (S (NP (NNP Thermosphere)) (VP (VBZ is) (NP (DT the) (JJ upper-most) (NN atmosphere))) (. .)))