by the most random of chances 
(ROOT (PP (IN by) (NP (NP (DT the) (ADJP (RBS most) (JJ random))) (PP (IN of) (NP (NNS chances))))))
(ROOT (PP (IN ) (NP (NP (DT ) (ADJP (RBS ) (JJ ))) (PP (IN ) (NP (NNS ))))))