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))) (. .)))
I received a business card on the day of my deadline. 
( I ( ( ( received ( a ( business card ) ) ) ( on ( ( the day ) ( of ( my deadline ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBD received) (NP (DT a) (NN business) (NN card)) (PP (IN on) (NP (NP (DT the) (NN day)) (PP (IN of) (NP (PRP$ my) (NN deadline)))))) (. .)))