The day my deadline came, I got a business card.
( ( ( The day ) ( ( my deadline ) came ) ) ( , ( I ( ( got ( a ( business card ) ) ) . ) ) ) )
(ROOT (S (S (NP (DT The) (NN day)) (NP (PRP$ my) (NN deadline)) (VP (VBD came))) (, ,) (NP (PRP I)) (VP (VBD got) (NP (DT a) (NN business) (NN card))) (. .)))
On the day of the deadline, I received a gold trophy. 
( ( On ( ( the day ) ( of ( the deadline ) ) ) ) ( , ( I ( ( received ( a ( gold trophy ) ) ) . ) ) ) )
(ROOT (S (PP (IN On) (NP (NP (DT the) (NN day)) (PP (IN of) (NP (DT the) (NN deadline))))) (, ,) (NP (PRP I)) (VP (VBD received) (NP (DT a) (JJ gold) (NN trophy))) (. .)))