that was n't at least watchable 
(ROOT (S (WHNP (DT that)) (VP (VBD was) (RB n't) (ADJP (ADVP (IN at) (JJS least)) (JJ watchable)))))
(ROOT (S (WHNP (DT )) (VP (VBD ) (RB ) (ADJP (ADVP (IN ) (JJS )) (JJ )))))