( Eventually ( , ( ( our scientists ) ( ( demonstrated ( that ( ( inhibiting ( the ( HIV protease ) ) ) ( would ( ( ( stop ( ( the ( virus 's ) ) spread ) ) ( from cell ) ) ( to cell ) ) ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Eventually)) (, ,) (NP (PRP$ our) (NNS scientists)) (VP (VBD demonstrated) (SBAR (IN that) (S (S (VP (VBG inhibiting) (NP (DT the) (NN HIV) (NN protease)))) (VP (MD would) (VP (VB stop) (NP (NP (DT the) (NN virus) (POS 's)) (NN spread)) (PP (IN from) (NP (NN cell))) (PP (TO to) (NP (NN cell)))))))) (. .)))
Eventually, our scientists demonstrated that inhibiting the HIV protease would stop the virus's spread from cell to cell.
(ROOT (S (NP (NNP Tamiflu)) (VP (VBZ inhibits) (NP (NP (NN spread)) (PP (IN of) (NP (NN virus))))) (. .)))