(Imagine the difference between smoking a cigarette and injecting pure nicotine directly into a vein.)
( -LRB- ( ( ( Imagine ( ( the difference ) ( between ( ( ( smoking ( a cigarette ) ) and ) ( ( ( injecting ( pure nicotine ) ) directly ) ( into ( a vein ) ) ) ) ) ) ) . ) -RRB- ) )
(ROOT (S (-LRB- -LRB-) (VP (VB Imagine) (NP (NP (DT the) (NN difference)) (PP (IN between) (S (VP (VP (VBG smoking) (NP (DT a) (NN cigarette))) (CC and) (VP (VBG injecting) (NP (JJ pure) (NN nicotine)) (ADVP (RB directly)) (PP (IN into) (NP (DT a) (NN vein))))))))) (. .) (-RRB- -RRB-)))
Try not to imagine the difference between smoking a cigarette and injecting pure nicotine.
( ( Try ( not ( to ( imagine ( ( the difference ) ( between ( ( ( smoking ( a cigarette ) ) and ) ( injecting ( pure nicotine ) ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VBP Try) (S (RB not) (VP (TO to) (VP (VB imagine) (NP (NP (DT the) (NN difference)) (PP (IN between) (S (VP (VP (VBG smoking) (NP (DT a) (NN cigarette))) (CC and) (VP (VBG injecting) (NP (JJ pure) (NN nicotine))))))))))) (. .)))