( There ( ( are ( ( two types ) ( of ( ( ( ( EODs , ) ( pulse type ) ) and ) ( wave type ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD two) (NNS types)) (PP (IN of) (NP (NP (NNP EODs)) (, ,) (NP (NN pulse) (NN type)) (CC and) (NP (NN wave) (NN type)))))) (. .)))
There are two types of EODs, pulse type and wave type.
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD two) (NNS types)) (PP (IN of) (NP (NN surface) (NNS waves))))) (. .)))