( ( The ( pituitary gland ) ) ( ( is ( ( a ( tiny gland ) ) ( located ( at ( ( the base ) ( of ( ( the brain ) ( in ( ( the center ) ( of ( the head ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ pituitary) (NN gland)) (VP (VBZ is) (NP (NP (DT a) (JJ tiny) (NN gland)) (VP (VBN located) (PP (IN at) (NP (NP (DT the) (NN base)) (PP (IN of) (NP (NP (DT the) (NN brain)) (PP (IN in) (NP (NP (DT the) (NN center)) (PP (IN of) (NP (DT the) (NN head)))))))))))) (. .)))
The pituitary gland is a tiny gland located at the base of the brain in the center of the head.
(ROOT (S (NP (DT The) (JJ pituitary) (NN gland)) (VP (VBZ is) (PP (IN in) (NP (DT the) (NN brain)))) (. .)))