Later, Tom testified against John so as to avoid the electric chair.
( Later ( , ( Tom ( ( ( ( testified ( against John ) ) ( so as ) ) ( to ( avoid ( the ( electric chair ) ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Later)) (, ,) (NP (NNP Tom)) (VP (VBD testified) (PP (IN against) (NP (NNP John))) (ADVP (RB so) (RB as)) (S (VP (TO to) (VP (VB avoid) (NP (DT the) (JJ electric) (NN chair)))))) (. .)))
Tom refused to turn on his friend, even though he was slated to be executed.
( Tom ( ( ( ( refused ( to ( turn ( on ( his friend ) ) ) ) ) , ) ( even ( though ( he ( was ( slated ( to ( be executed ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Tom)) (VP (VBD refused) (S (VP (TO to) (VP (VB turn) (PP (IN on) (NP (PRP$ his) (NN friend)))))) (, ,) (SBAR (RB even) (IN though) (S (NP (PRP he)) (VP (VBD was) (VP (VBN slated) (S (VP (TO to) (VP (VB be) (VP (VBN executed)))))))))) (. .)))