( ( Positive ( feedback ( Feedback control ) ) ) ; )
(ROOT (NP (NP (JJ Positive) (NN feedback) (NN Feedback) (NN control)) (: ;)))
Positive feedback Feedback control;
(ROOT (S (NP (JJ Positive) (NN feedback)) (VP (VP (VBZ intensifies) (NP (NP (DT a) (NN change)) (PP (IN in) (NP (NP (DT the) (NN body) (POS 's)) (JJ physiological) (NN condition))))) (CONJP (RB rather) (IN than)) (VP (VBG reversing) (NP (PRP it)))) (. .)))