below is well below expectations . 
(ROOT (S (ADVP (RB below)) (VP (VBZ is) (PP (ADVP (RB well)) (IN below) (NP (NNS expectations)))) (. .)))
(ROOT (S (ADVP (RB )) (VP (VBZ ) (PP (ADVP (RB )) (IN ) (NP (NNS )))) (. )))