( ( T Cell ) ( ( Lymphocyte ( cells ( that ( are ( ( produced ( in ( the thymus ) ) ) ( to ( ( provide immunity ) ( to antigens ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP T) (NNP Cell)) (VP (VBP Lymphocyte) (NP (NP (NNS cells)) (SBAR (WHNP (WDT that)) (S (VP (VBP are) (VP (VBN produced) (PP (IN in) (NP (DT the) (NNS thymus))) (S (VP (TO to) (VP (VB provide) (NP (NN immunity)) (PP (TO to) (NP (NNS antigens)))))))))))) (. .)))
T Cell Lymphocyte cells that are produced in the thymus to provide immunity to antigens.
(ROOT (S (NP (DT The) (NNS thymus) (NN gland)) (VP (VBZ produces) (NP (NN t) (NNS cells))) (. .)))