The disorder hardly seemed to exist before the stimulant Ritalin came along.
( ( The disorder ) ( hardly ( ( seemed ( to ( exist ( before ( ( the ( stimulant Ritalin ) ) ( came along ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (DT The) (NN disorder)) (ADVP (RB hardly)) (VP (VBD seemed) (S (VP (TO to) (VP (VB exist) (SBAR (IN before) (S (NP (DT the) (NN stimulant) (NN Ritalin)) (VP (VBD came) (PRT (RP along))))))))) (. .)))
The only time the disorder seemed to exist was before Ritalin came around.
( ( ( The ( only time ) ) ( ( the disorder ) ( seemed ( to exist ) ) ) ) ( ( was ( before ( Ritalin ( came around ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ only) (NN time)) (SBAR (S (NP (DT the) (NN disorder)) (VP (VBD seemed) (S (VP (TO to) (VP (VB exist)))))))) (VP (VBD was) (SBAR (IN before) (S (NP (NNP Ritalin)) (VP (VBD came) (PRT (RP around)))))) (. .)))