(S (S (NP (BASENP (DT The) (NN death)) (PP (IN of) (NP (BASENP (DT the) (NN girl) (POS 's)) (NNS uncle)))) (VP (VBZ is) (VP (ADVP (RB also)) (VP (VBN believed) (S (VP (TO to) (VP (VP (VB be) (PP (IN under) (BASENP (NN investigation)))) (PP (JJ due) (PP (TO to) (S (BASENP (PRP him)) (VP (VBG having) (NP (BASENP (NNS symptoms)) (SBAR (WHNP (WDT that)) (S (VP (MD may) (VP (VB indicate) (BASENP (NN flu)))))))))))))))))) (PERIOD .))