( ( To ( my surprise ) ) ( , ( it ( ( ( sprouted ( two ( new plants ) ) ) ( in ( a ( few weeks ) ) ) ) . ) ) ) )
(ROOT (S (PP (TO To) (NP (PRP$ my) (NN surprise))) (, ,) (NP (PRP it)) (VP (VBD sprouted) (NP (CD two) (JJ new) (NNS plants)) (PP (IN in) (NP (DT a) (JJ few) (NNS weeks)))) (. .)))
To my surprise, it sprouted two new plants in a few weeks.
(ROOT (S (NP (NNP New) (NNS plants)) (VP (VBP start) (S (VP (VBG sprouting) (PP (ADVP (NP (CD two) (NNS months)) (RBR later)) (IN after) (NP (DT a) (NN forest) (NN fire)))))) (. .)))