( ( rapid ( motor response ) ) ( to ( ( a ( sensory stimulus ) ) ( ( in which ) ( ( nerve impulses ) ( travel ( in ( ( an arc ) ( that ( includes ( ( ( the ( spinal cord ) ) ( but not ) ) ( the brain ) ) ) ) ) ) ) ) ) ) ) )
(ROOT (FRAG (NP (JJ rapid) (NN motor) (NN response)) (PP (TO to) (NP (NP (DT a) (JJ sensory) (NN stimulus)) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (NN nerve) (NNS impulses)) (VP (VBP travel) (PP (IN in) (NP (NP (DT an) (NN arc)) (SBAR (WHNP (WDT that)) (S (VP (VBZ includes) (NP (NP (DT the) (JJ spinal) (NN cord)) (CONJP (CC but) (RB not)) (NP (DT the) (NN brain)))))))))))))))
rapid motor response to a sensory stimulus in which nerve impulses travel in an arc that includes the spinal cord but not the brain
(ROOT (S (NP (JJ Sensory) (NNS neurons)) (VP (VBD transmit) (NP (NN nerve) (NNS impulses)) (PP (IN from) (NP (NP (NN sense) (NNS organs)) (CC and) (NP (JJ internal) (NNS organs)))) (PP (TO to) (NP (NP (DT the) (NN brain)) (PP (IN via) (NP (DT the) (JJ spinal) (NN cord)))))) (. .)))