in cannes offers rare insight into the structure of relationships . 
(ROOT (S (PP (IN in) (NP (NNP cannes))) (VP (VBZ offers) (NP (NP (JJ rare) (NN insight)) (PP (IN into) (NP (NP (DT the) (NN structure)) (PP (IN of) (NP (NNS relationships))))))) (. .)))
(ROOT (S (PP (IN ) (NP (NNP ))) (VP (VBZ ) (NP (NP (JJ ) (NN )) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NNS ))))))) (. )))