( ( ( These types ) ( of viruses ) ) ( ( can ( ( live ( ( ( two or ) more ) hours ) ) ( on ( many surfaces ) ) ) ) . ) )
(ROOT (S (NP (NP (DT These) (NNS types)) (PP (IN of) (NP (NNS viruses)))) (VP (MD can) (VP (VB live) (NP (QP (CD two) (CC or) (JJR more)) (NNS hours)) (PP (IN on) (NP (JJ many) (NNS surfaces))))) (. .)))
These types of viruses can live two or more hours on many surfaces.
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD two) (NNS types)) (PP (IN of) (NP (NN surface) (NNS waves))))) (. .)))