just two of the elements that will grab you 
(ROOT (NP (NP (NP (RB just) (CD two))) (PP (IN of) (NP (NP (DT the) (NNS elements)) (SBAR (WHNP (WDT that)) (S (VP (MD will) (VP (VB grab) (NP (PRP you))))))))))
(ROOT (NP (NP (NP (RB ) (CD ))) (PP (IN ) (NP (NP (DT ) (NNS )) (SBAR (WHNP (WDT )) (S (VP (MD ) (VP (VB ) (NP (PRP ))))))))))