is clear : not easily and , in the end , not well enough 
(ROOT (S (VP (VBZ is) (ADJP (JJ clear)) (: :) (ADVP (ADVP (RB not) (RB easily)) (CC and) (, ,) (PP (IN in) (NP (DT the) (NN end))) (, ,) (ADVP (RB not) (RB well) (JJ enough))))))
(ROOT (S (VP (VBZ ) (ADJP (JJ )) (: ) (ADVP (ADVP (RB ) (RB )) (CC ) (, ) (PP (IN ) (NP (DT ) (NN ))) (, ) (ADVP (RB ) (RB ) (JJ ))))))