( ( ( Using ( viral ( molecular genetics ) ) ) ( to ( ( probe ( the ( immune response ) ) ) ( to vesicular ) ) ) ) ( ( stomatitis virus ) . ) )
(ROOT (S (S (VP (VBG Using) (NP (JJ viral) (JJ molecular) (NNS genetics)) (S (VP (TO to) (VP (VB probe) (NP (DT the) (JJ immune) (NN response)) (PP (TO to) (NP (NN vesicular)))))))) (VP (VBZ stomatitis) (NP (NN virus))) (. .)))
Using viral molecular genetics to probe the immune response to vesicular stomatitis virus.
(ROOT (S (NP (NP (NNS Symptoms)) (PP (IN of) (NP (JJ viral) (NNS diseases)))) (VP (VBP result) (PP (IN from) (NP (DT a) (PRN (-LRB- -LRB-) (NP (NN n)) (-RRB- -RRB-)) (JJ immune) (NN response))) (PP (TO to) (NP (DT a) (NN virus)))) (. .)))