( ( Remember ( that ( lithium ( is ( three dimensional ) ) ) ) ) . )
(ROOT (S (VP (VB Remember) (SBAR (IN that) (S (NP (NN lithium)) (VP (VBZ is) (NP (CD three) (NN dimensional)))))) (. .)))
Remember that lithium is three dimensional.
(ROOT (S (NP (NNP Lithium)) (VP (VBZ has) (NP (CD three) (NNS electrons))) (. .)))