( ( Brain ( Stem It ) ) ( ( ( ( is ( ( the ( bottom-most portion ) ) ( of ( the brain ) ) ) ) , ) ( ( connecting ( the cerebrum ) ) ( with ( the ( spinal cord ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Brain) (NNP Stem) (PRP It)) (VP (VBZ is) (NP (NP (DT the) (JJ bottom-most) (NN portion)) (PP (IN of) (NP (DT the) (NN brain)))) (, ,) (S (VP (VBG connecting) (NP (DT the) (NN cerebrum)) (PP (IN with) (NP (DT the) (JJ spinal) (NN cord)))))) (. .)))
Brain Stem It is the bottom-most portion of the brain, connecting the cerebrum with the spinal cord.
(ROOT (S (NP (NP (DT The) (JJ iconic) (JJ gray) (NN mantle)) (PP (IN of) (NP (DT the) (JJ human) (NN brain))) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ appears) (S (VP (TO to) (VP (VB make) (PRT (RP up)) (NP (NP (JJS most)) (PP (IN of) (NP (NP (DT the) (NN mass)) (PP (IN of) (NP (DT the) (NN brain)))))))))))) (, ,)) (VP (VBZ is) (VP (VBN called) (NP (DT the) (NN cerebrum)))) (. .)))