at the sometimes murky , always brooding look of i 
(ROOT (PP (IN at) (NP (NP (DT the) (ADJP (RB sometimes) (JJ murky)) (, ,) (ADJP (RB always) (JJ brooding)) (NN look)) (PP (IN of) (NP (PRP i))))))
(ROOT (PP (IN ) (NP (NP (DT ) (ADJP (RB ) (JJ )) (, ) (ADJP (RB ) (JJ )) (NN )) (PP (IN ) (NP (PRP ))))))