of a surprisingly juvenile lark , a pop-influenced prank whose charms are immediately apparent 
(ROOT (PP (IN of) (NP (NP (DT a) (ADJP (RB surprisingly) (JJ juvenile)) (NN lark)) (, ,) (NP (NP (DT a) (ADJP (NN pop-) (VBN influenced)) (NN prank)) (SBAR (WHNP (WP$ whose) (NNS charms)) (S (VP (VBP are) (ADJP (RB immediately) (JJ apparent)))))))))
(ROOT (PP (IN ) (NP (NP (DT ) (ADJP (RB ) (JJ )) (NN )) (, ) (NP (NP (DT ) (ADJP (NN ) (VBN )) (NN )) (SBAR (WHNP (WP$ ) (NNS )) (S (VP (VBP ) (ADJP (RB ) (JJ )))))))))