( ( Give ( ( two examples ) ( of ( ( positive ( feedback loops ) ) ( in physiology ) ) ) ) ) . )
(ROOT (S (VP (VB Give) (NP (NP (CD two) (NNS examples)) (PP (IN of) (NP (NP (JJ positive) (NN feedback) (NNS loops)) (PP (IN in) (NP (NN physiology))))))) (. .)))
Give two examples of positive feedback loops in physiology.
(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)))) (. .)))