back the springboard for a more immediate mystery in the present 
(ROOT (S (ADVP (RB back)) (NP (NP (DT the) (NN springboard)) (PP (IN for) (NP (NP (DT a) (ADJP (RBR more) (JJ immediate)) (NN mystery)) (PP (IN in) (NP (DT the) (NN present))))))))
(ROOT (S (ADVP (RB )) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NP (DT ) (ADJP (RBR ) (JJ )) (NN )) (PP (IN ) (NP (DT ) (NN ))))))))