( DPIs ( ( consist ( of ( ( ( two layers ) : ) ( ( ( A ( SystemVerilog Layer ) ) and ) ( a ( Foreign ( language layer ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS DPIs)) (VP (VBP consist) (PP (IN of) (NP (NP (CD two) (NNS layers)) (: :) (NP (NP (DT A) (NNP SystemVerilog) (NNP Layer)) (CC and) (NP (DT a) (JJ Foreign) (NN language) (NN layer)))))) (. .)))
DPIs consist of two layers: A SystemVerilog Layer and a Foreign language layer.
(ROOT (S (NP (NP (DT The) (NN pleura)) (SBAR (WHNP (WDT that)) (S (VP (VBZ surrounds) (NP (DT the) (NNS lungs)))))) (VP (VBZ consists) (PP (IN of) (NP (CD two) (NNS layers)))) (. .)))