( ( ( ( ( Describe ( ( the difference ) ( between ( ( ( negative and ) positive ) feedback ) ) ) ) , ) and ) ( give ( ( a ( physiological example ) ) ( of each ) ) ) ) . )
(ROOT (S (VP (VP (VB Describe) (NP (NP (DT the) (NN difference)) (PP (IN between) (NP (ADJP (JJ negative) (CC and) (JJ positive)) (NN feedback))))) (, ,) (CC and) (VP (VB give) (NP (NP (DT a) (JJ physiological) (NN example)) (PP (IN of) (NP (DT each)))))) (. .)))
Describe the difference between negative and positive feedback, and give a physiological example of each.
(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)))) (. .)))