(S (S (BASENP (DT This)) (VP (VBZ is) (NP (NP (BASENP (DT the) (JJS largest) (VBN recorded) (NN outbreak)) (PP (IN of) (BASENP (NNP Marburg) (JJ viral) (JJ hemorrhagic) (NN fever)))) (PP (IN in) (BASENP (NN history)))))) (PERIOD .))