Please note that on your calendar.
( Please ( ( note ( that ( on ( your calendar ) ) ) ) . ) )
(ROOT (S (INTJ (UH Please)) (VP (VB note) (NP (NP (DT that)) (PP (IN on) (NP (PRP$ your) (NN calendar))))) (. .)))
Please disregard that. 
( Please ( ( disregard that ) . ) )
(ROOT (S (INTJ (UH Please)) (VP (VB disregard) (NP (DT that))) (. .)))