Look at this.
( ( Look ( at this ) ) . )
(ROOT (S (VP (VB Look) (PP (IN at) (NP (DT this)))) (. .)))
Please direct your attention elsewhere. 
( Please ( ( ( direct ( your attention ) ) elsewhere ) . ) )
(ROOT (S (INTJ (UH Please)) (VP (VB direct) (NP (PRP$ your) (NN attention)) (ADVP (RB elsewhere))) (. .)))