It is wonderful to be able to write this letter to you as a special friend of the Leukemia Society of America.
( It ( ( is ( wonderful ( to ( be ( able ( to ( ( ( write ( this letter ) ) ( to you ) ) ( as ( ( a ( special friend ) ) ( of ( ( the ( Leukemia Society ) ) ( of America ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (ADJP (JJ wonderful) (S (VP (TO to) (VP (VB be) (ADJP (JJ able) (S (VP (TO to) (VP (VB write) (NP (DT this) (NN letter)) (PP (TO to) (NP (PRP you))) (PP (IN as) (NP (NP (DT a) (JJ special) (NN friend)) (PP (IN of) (NP (NP (DT the) (NNP Leukemia) (NNP Society)) (PP (IN of) (NP (NNP America)))))))))))))))) (. .)))
You have helped us with your charitable donations throught many hard times.
( You ( ( have ( ( ( helped us ) ( with ( your ( charitable donations ) ) ) ) ( throught ( many ( hard times ) ) ) ) ) . ) )
(ROOT (S (NP (PRP You)) (VP (VBP have) (VP (VBN helped) (NP (PRP us)) (PP (IN with) (NP (PRP$ your) (JJ charitable) (NNS donations))) (S (VP (VB throught) (NP (JJ many) (JJ hard) (NNS times)))))) (. .)))