do well to check this one out 
(ROOT (S (VP (VB do) (ADVP (RB well)) (S (VP (TO to) (VP (VB check) (NP (DT this) (NN one)) (PRT (RB out))))))))
(ROOT (S (VP (VB ) (ADVP (RB )) (S (VP (TO ) (VP (VB ) (NP (DT ) (NN )) (PRT (RB ))))))))