( Cranium ( - ( ( This ( is ( ( the ( rounded area ) ) ( that ( ( ( houses and ) protects ) ( the brain ) ) ) ) ) ) . ) ) )
(ROOT (FRAG (NP (NNP Cranium)) (: -) (S (NP (DT This)) (VP (VBZ is) (NP (NP (DT the) (JJ rounded) (NN area)) (SBAR (WHNP (WDT that)) (S (VP (VBZ houses) (CC and) (VBZ protects) (NP (DT the) (NN brain)))))))) (. .)))
Cranium- This is the rounded area that houses and protects the brain.
(ROOT (S (NP (NP (DT The) (NN cranium)) (PRN (-LRB- -LRB-) (NP (NN skull)) (-RRB- -RRB-))) (VP (VBP protect) (S (-LRB- -LRB-) (NP (PRP s)) (-RRB- -RRB-) (NP (DT the) (NN brain)))) (. .)))
The cranium (skull) protect(s) the brain.