( ( ( ( Layers ( of ( ( the Sun ) ( from ( innermost ( to outermost ) ) ) ) ) ) : ) ( ( ( ( ( ( ( ( ( ( core , ) ( radiative layer ) ) , ) ( convective layer ) ) , ) photosphere ) , ) chromosphere ) and ) corona ) ) . )
(ROOT (NP (NP (NP (NNS Layers)) (PP (IN of) (NP (NP (DT the) (NNP Sun)) (PP (IN from) (NP (NP (NN innermost)) (PP (TO to) (NP (NN outermost)))))))) (: :) (NP (NP (NN core)) (, ,) (NP (JJ radiative) (NN layer)) (, ,) (NP (JJ convective) (NN layer)) (, ,) (NP (NN photosphere)) (, ,) (NP (NN chromosphere)) (CC and) (NP (NN corona))) (. .)))
Layers of the Sun from innermost to outermost: core, radiative layer, convective layer, photosphere, chromosphere and corona.
(ROOT (S (NP (DT The) (NN core)) (VP (VBZ is) (NP (NP (DT the) (NN sun) (POS 's)) (NN innermost) (NN layer))) (. .)))