(S (S (S (BASENP (DT An) (JJ Austrian) (NN man)) (VP (VBZ is) (PP (IN in) (BASENP (NN jail))))) (SBAR (IN after) (S (PRN (S (BASENP (NNS authorities)) (VP (VBP say)))) (S (S (BASENP (PRP he)) (VP (VBD used) (NP (BASENP (DT a) (NN flamethrower)) (SBAR (S (VP (TO to) (VP (VP (VB burn) (BASENP (PRPD his) (NN two) (JJ elderly) (JJ in-law) (NNS parents))) (PP (TO to) (BASENP (NN death)))))))))) (SBAR (IN as) (S (BASENP (PRP they)) (VP (VBD slept) (PP (IN in) (NP (BASENP (PRPD their) (NN home)) (VP (VBN located) (PP (IN in) (NP (BASENP (NNP Hartberg)) (PP (IN in) (NP (BASENP (DT the) (NN state)) (PP (IN of) (BASENP (NNP Styria))))))))))))))))) (PERIOD .))