(S (S (BASENP (DT The) (NN statement)) (VP (VBD added) (SBAR (IN that) (S (BASENP (DT these) (NNS mutations)) (VP (MD would) (VP (ADVP (RBS most) (RB likely)) (VP (VB render) (S (BASENP (NNP Tamiflu)) (ADJP (JJ ineffective) (PP (IN for) (NP (BASENP (DT the) (NN prevention) (CC or) (NN treatment)) (PP (IN of) (NP (BASENP (NN flu)) (VP (VBN caused) (PP (IN by) (BASENP (JJ resistant) (NNP H1N1) (NNS viruses))))))))))))))))) (PERIOD .))