it looks closely , insightfully at fragile , complex relationships . 
(ROOT (S (NP (PRP it)) (VP (VBZ looks) (ADVP (RB closely) (, ,) (RB insightfully)) (PP (IN at) (NP (JJ fragile) (, ,) (JJ complex) (NNS relationships)))) (. .)))
(ROOT (S (NP (PRP )) (VP (VBZ ) (ADVP (RB ) (, ) (RB )) (PP (IN ) (NP (JJ ) (, ) (JJ ) (NNS )))) (. )))