accompanied by the sketchiest of captions . 
(ROOT (S (VP (VBN accompanied) (PP (IN by) (NP (NP (DT the) (NN sketchiest)) (PP (IN of) (NP (NNS captions)))))) (. .)))
(ROOT (S (VP (VBN ) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NNS )))))) (. )))