( mantle ( ( That portion ) ( of ( the ( ( Earth ( below ( the crust ) ) ) and ) ) ) ) )
(ROOT (S (VP (VB mantle) (NP (NP (DT That) (NN portion)) (PP (IN of) (NP (DT the) (NX (NX (NP (NNP Earth)) (PP (IN below) (NP (DT the) (NN crust)))) (CC and))))))))
mantle That portion of the Earth below the crust and
(ROOT (S (NP (NP (DT The) (JJ mantle) (NN layer)) (PP (IN of) (NP (NN earth)))) (VP (VBZ is) (VP (VBN located) (ADVP (RB just)) (PP (IN below) (NP (DT the) (NN crust))))) (. .)))
The mantle layer of earth is located just below the crust.