Trump, who said he would decide by March whether to run for president, would likely spend $100 million to $200 million of his own money on a campaign.
( ( ( ( Trump , ) ( who ( said ( he ( would ( ( decide ( by March ) ) ( whether ( to ( run ( for president ) ) ) ) ) ) ) ) ) ) , ) ( ( ( would likely ) ( ( spend ( ( ( ( ( ( ( $ 100 ) million ) to ) $ ) 200 ) million ) ( of ( his ( own money ) ) ) ) ) ( on ( a campaign ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Trump)) (, ,) (SBAR (WHNP (WP who)) (S (VP (VBD said) (SBAR (S (NP (PRP he)) (VP (MD would) (VP (VB decide) (PP (IN by) (NP (NNP March))) (SBAR (IN whether) (S (VP (TO to) (VP (VB run) (PP (IN for) (NP (NN president)))))))))))))) (, ,)) (VP (MD would) (ADVP (RB likely)) (VP (VB spend) (NP (NP (QP ($ $) (CD 100) (CD million) (TO to) ($ $) (CD 200) (CD million))) (PP (IN of) (NP (PRP$ his) (JJ own) (NN money)))) (PP (IN on) (NP (DT a) (NN campaign))))) (. .)))
If he runs for President, Trump will most likely spend millions on his campaign. 
( ( If ( he ( runs ( for President ) ) ) ) ( , ( Trump ( ( ( will ( most likely ) ) ( ( spend millions ) ( on ( his campaign ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN If) (S (NP (PRP he)) (VP (VBZ runs) (PP (IN for) (NP (NNP President)))))) (, ,) (NP (NNP Trump)) (VP (MD will) (ADVP (RBS most) (RB likely)) (VP (VB spend) (NP (NNS millions)) (PP (IN on) (NP (PRP$ his) (NN campaign))))) (. .)))