( ( LD vaccine ) ( ( ( is not ) ( ( a substitute ) ( for ( measures ( to ( prevent ( tick bites ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP LD) (NN vaccine)) (VP (VBZ is) (RB not) (NP (NP (DT a) (NN substitute)) (PP (IN for) (NP (NNS measures) (S (VP (TO to) (VP (VB prevent) (NP (NN tick) (NNS bites))))))))) (. .)))
LD vaccine is not a substitute for measures to prevent tick bites.
(ROOT (S (NP (NNP Vaccine)) (VP (VBZ is) (NP (NP (DT a) (JJ preventative) (NN measure)) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (ADVP (RB often)) (VP (VBN delivered) (PP (IN by) (NP (NN injection))) (PP (IN into) (NP (DT the) (NN arm))))))))) (. .)))