Please join in this help with your gift today.
( Please ( ( join ( in ( ( this help ) ( with ( your ( gift today ) ) ) ) ) ) . ) )
(ROOT (S (INTJ (UH Please)) (VP (VB join) (PP (IN in) (NP (NP (DT this) (NN help)) (PP (IN with) (NP (PRP$ your) (NN gift) (NN today)))))) (. .)))
Please disregard this letter and don't give us anything. 
( Please ( ( ( ( disregard ( this letter ) ) and ) ( ( do n't ) ( ( give us ) anything ) ) ) . ) )
(ROOT (S (INTJ (UH Please)) (VP (VP (VB disregard) (NP (DT this) (NN letter))) (CC and) (VP (VBP do) (RB n't) (VP (VB give) (NP (PRP us)) (NP (NN anything))))) (. .)))