that should appeal to anyone willing to succumb to it 
(ROOT (S (NP (DT that)) (VP (MD should) (VP (VB appeal) (PP (IN to) (NP (NP (NN anyone)) (ADJP (JJ willing) (S (VP (TO to) (VP (VB succumb) (PP (IN to) (NP (PRP it)))))))))))))
(ROOT (S (NP (DT )) (VP (MD ) (VP (VB ) (PP (IN ) (NP (NP (NN )) (ADJP (JJ ) (S (VP (TO ) (VP (VB ) (PP (IN ) (NP (PRP )))))))))))))