( ( The ( parathyroid glands ) ) ( ( ( have ( no ( functional relationship ) ) ) ( to ( the ( thyroid gland ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ parathyroid) (NNS glands)) (VP (VBP have) (NP (DT no) (JJ functional) (NN relationship)) (PP (TO to) (NP (DT the) (NN thyroid) (NN gland)))) (. .)))
The parathyroid glands have no functional relationship to the thyroid gland.
(ROOT (S (NP (DT The) (CD two) (JJ parathyroid) (NNS glands)) (VP (VBP are) (VP (VBN located) (PP (IN behind) (NP (DT the) (NN thyroid) (NN gland))))) (. .)))