Hold hard, said Tommy.
( ( Hold hard ) ( , ( ( said Tommy ) . ) ) )
(ROOT (SINV (S (VP (VB Hold) (ADJP (JJ hard)))) (, ,) (VP (VBD said)) (NP (NNP Tommy)) (. .)))
Tommy explained to hold hard, using only one arm.
( Tommy ( ( ( ( explained ( to ( hold hard ) ) ) , ) ( using ( only ( one arm ) ) ) ) . ) )
(ROOT (S (NP (NNP Tommy)) (VP (VBD explained) (S (VP (TO to) (VP (VB hold) (ADJP (JJ hard))))) (, ,) (S (VP (VBG using) (NP (RB only) (CD one) (NN arm))))) (. .)))