without placing their parents in a coma-like state 
(ROOT (PP (IN without) (S (VP (VBG placing) (NP (PRP$ their) (NNS parents)) (PP (IN in) (NP (DT a) (ADJP (NN coma) (HYPH -) (JJ like)) (NN state)))))))
(ROOT (PP (IN ) (S (VP (VBG ) (NP (PRP$ ) (NNS )) (PP (IN ) (NP (DT ) (ADJP (NN ) (HYPH ) (JJ )) (NN )))))))