( There ( ( are ( ( many ( different factors ) ) ( that ( affect ( ( the speed ) ( of ( a ( modem connection ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (JJ many) (JJ different) (NNS factors)) (SBAR (WHNP (WDT that)) (S (VP (VBP affect) (NP (NP (DT the) (NN speed)) (PP (IN of) (NP (DT a) (NN modem) (NN connection))))))))) (. .)))
There are many different factors that affect the speed of a modem connection.
(ROOT (S (NP (JJ Different) (NNS media)) (VP (VBP affect) (NP (NP (DT the) (NN speed)) (PP (IN of) (NP (NN light))))) (. .)))