( Lymphocytes ( ( are ( ( ( cells ( produced ( by ( ( ( the ( body 's ) ) primary ) ( -LRB- ( ( ( ( bone marrow ) and ) thymus ) -RRB- ) ) ) ) ) ) and ) ( secondary ( ( -LRB- ( ( lymph ( ( nodes and ) spleen ) ) -RRB- ) ) ( lymphatic organs ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Lymphocytes)) (VP (VBP are) (NP (NP (NP (NNS cells)) (VP (VBN produced) (PP (IN by) (NP (NP (NP (DT the) (NN body) (POS 's)) (NN primary)) (PRN (-LRB- -LRB-) (NP (NP (NN bone) (NN marrow)) (CC and) (NP (NNS thymus))) (-RRB- -RRB-)))))) (CC and) (SBAR (S (NP (JJ secondary) (PRN (-LRB- -LRB-) (NP (JJ lymph) (NNS nodes) (CC and) (NN spleen)) (-RRB- -RRB-)) (JJ lymphatic) (NNS organs)))))) (. .)))
Lymphocytes are cells produced by the body's primary (bone marrow and thymus) and secondary (lymph nodes and spleen) lymphatic organs.
(ROOT (S (NP (NNP Bone) (NNP marrow)) (VP (VP (VBZ is) (VP (VBN found) (PP (IN inside) (NP (JJ many) (NNS bones))))) (CC and) (VP (VBZ produces) (NP (NNS lymphocytes)))) (. .)))