Please include the enclosed form with your contribution.
( Please ( ( include ( ( the ( enclosed form ) ) ( with ( your contribution ) ) ) ) . ) )
(ROOT (S (INTJ (UH Please)) (VP (VB include) (NP (NP (DT the) (VBN enclosed) (NN form)) (PP (IN with) (NP (PRP$ your) (NN contribution))))) (. .)))
Don't forget to sign and date the form.
( ( ( Do n't ) ( forget ( to ( ( ( sign and ) date ) ( the form ) ) ) ) ) . )
(ROOT (S (VP (VB Do) (RB n't) (VP (VB forget) (S (VP (TO to) (VP (VB sign) (CC and) (VB date) (NP (DT the) (NN form))))))) (. .)))