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