Even though the scratch was tiny, it broke his heart and haunted him for two weeks.
( ( Even ( though ( ( the scratch ) ( was tiny ) ) ) ) ( , ( it ( ( ( ( broke ( his heart ) ) and ) ( ( haunted him ) ( for ( two weeks ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (RB Even) (IN though) (S (NP (DT the) (NN scratch)) (VP (VBD was) (ADJP (JJ tiny))))) (, ,) (NP (PRP it)) (VP (VP (VBD broke) (NP (PRP$ his) (NN heart))) (CC and) (VP (VBN haunted) (NP (PRP him)) (PP (IN for) (NP (CD two) (NNS weeks))))) (. .)))
The scratch haunted him for two weeks.
( ( The scratch ) ( ( ( haunted him ) ( for ( two weeks ) ) ) . ) )
(ROOT (S (NP (DT The) (NN scratch)) (VP (VBN haunted) (NP (PRP him)) (PP (IN for) (NP (CD two) (NNS weeks)))) (. .)))