( ( The ( Medulla Oblongata ) ) ( ( is ( ( ( ( the ( lowest part ) ) ( of ( the brain ) ) ) , ) ( in ( structure ( ( ( resembling ( the ( Spinal Cord ) ) ) , ) ( with ( ( ( ( White Matter ) ( on ( the surface ) ) ) and ) ( ( Gray Matter ) ( in ( its interior ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP Medulla) (NNP Oblongata)) (VP (VBZ is) (NP (NP (DT the) (JJS lowest) (NN part)) (PP (IN of) (NP (DT the) (NN brain))) (, ,) (PP (IN in) (NP (NP (NN structure)) (VP (VBG resembling) (NP (DT the) (NNP Spinal) (NNP Cord)) (, ,) (PP (IN with) (NP (NP (NP (NNP White) (NNP Matter)) (PP (IN on) (NP (DT the) (NN surface)))) (CC and) (NP (NP (NNP Gray) (NNP Matter)) (PP (IN in) (NP (PRP$ its) (NN interior))))))))))) (. .)))
The Medulla Oblongata is the lowest part of the brain, in structure resembling the Spinal Cord, with White Matter on the surface and Gray Matter in its interior.
(ROOT (S (NP (NP (JJS Most)) (PP (IN of) (NP (DT the) (JJ gray) (NN matter)))) (VP (VBZ is) (PP (IN on) (NP (NP (DT the) (NN surface)) (PP (IN of) (NP (DT the) (NN brain))))) (, ,) (S (VP (VBG surrounding) (NP (JJ white) (NN matter))))) (. .)))