( ( Like Relenza ) ( , ( Tamiflu ( ( ( ( is ( a ( neuraminidase inhibitor ) ) ) , ) ( meaning ( it ( stops ( ( ( an enzyme ) ( -LRB- ( neuarminidase -RRB- ) ) ) ( that ( helps ( viruses ( ( spread ( from cell ) ) ( to cell ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN Like) (NP (NNP Relenza))) (, ,) (NP (NNP Tamiflu)) (VP (VBZ is) (NP (DT a) (JJ neuraminidase) (NN inhibitor)) (, ,) (S (VP (VBG meaning) (SBAR (S (NP (PRP it)) (VP (VBZ stops) (NP (NP (DT an) (NN enzyme)) (PRN (-LRB- -LRB-) (NP (NN neuarminidase)) (-RRB- -RRB-)) (SBAR (WHNP (WDT that)) (S (VP (VBZ helps) (NP (NP (NNS viruses)) (VP (VBN spread) (PP (IN from) (NP (NN cell))) (PP (TO to) (NP (NN cell))))))))))))))) (. .)))
Like Relenza, Tamiflu is a neuraminidase inhibitor, meaning it stops an enzyme (neuarminidase) that helps viruses spread from cell to cell.
(ROOT (S (NP (NNP Tamiflu)) (VP (VBZ inhibits) (NP (NP (NN spread)) (PP (IN of) (NP (NN virus))))) (. .)))