the wildly popular vin diesel in the equation 
(ROOT (NP (NP (DT the) (ADJP (RB wildly) (JJ popular)) (NN vin) (NN diesel)) (PP (IN in) (NP (DT the) (NN equation)))))
(ROOT (NP (NP (DT ) (ADJP (RB ) (JJ )) (NN ) (NN )) (PP (IN ) (NP (DT ) (NN )))))