( There ( ( ( are ( ( two types ) ( of ( body waves ) ) ) ) ( that ( we ( will ( ( consider : ) ( compression ( waves ( and ( shear waves ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD two) (NNS types)) (PP (IN of) (NP (NN body) (NNS waves)))) (SBAR (IN that) (S (NP (PRP we)) (VP (MD will) (VP (VB consider) (: :) (NP (NN compression) (NNS waves) (CC and) (NN shear) (NNS waves))))))) (. .)))
There are two types of body waves that we will consider: compression waves and shear waves.
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD two) (NNS types)) (PP (IN of) (NP (NN surface) (NNS waves))))) (. .)))