( ( The ( innate ( immune system ) ) ) ( ( ( ( ( constitutes ( ( the ( first line ) ) ( of defense ) ) ) ( against ( invading pathogens ) ) ) and ) ( is ( regarded ( as ( ( the ( major initiator ) ) ( of ( inflammatory responses ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ innate) (JJ immune) (NN system)) (VP (VP (VBZ constitutes) (NP (NP (DT the) (JJ first) (NN line)) (PP (IN of) (NP (NN defense)))) (PP (IN against) (NP (JJ invading) (NNS pathogens)))) (CC and) (VP (VBZ is) (VP (VBN regarded) (PP (IN as) (NP (NP (DT the) (JJ major) (NN initiator)) (PP (IN of) (NP (JJ inflammatory) (NNS responses)))))))) (. .)))
The innate immune system constitutes the first line of defense against invading pathogens and is regarded as the major initiator of inflammatory responses.
(ROOT (S (NP (JJ Inflammatory) (NN response)) (VP (VBZ is) (NP (NP (DT the) (JJ second) (NN line)) (PP (IN of) (NP (NN defense))))) (. .)))