...Einstein's Special Theory of Relativity does not say that E = MC2 and in leap year MC2.
( ... ( ( ( ( Einstein 's ) ( Special Theory ) ) ( of Relativity ) ) ( ( ( does not ) ( ( ( say ( that ( E ( = MC2 ) ) ) ) and ) ( in ( leap ( year MC2 ) ) ) ) ) . ) ) )
(ROOT (S (: ...) (NP (NP (NP (NNP Einstein) (POS 's)) (JJ Special) (NN Theory)) (PP (IN of) (NP (NNP Relativity)))) (VP (VBZ does) (RB not) (VP (VP (VB say) (SBAR (IN that) (S (NP (NNP E)) (VP (SYM =) (NP (NNP MC2)))))) (CC and) (VP (ADVP (RB in)) (VB leap) (NP (NN year) (NN MC2))))) (. .)))
Einstein's Special Theory of Relativity doesn't encompass the speed of light.
( ( ( ( Einstein 's ) ( Special Theory ) ) ( of Relativity ) ) ( ( ( does n't ) ( encompass ( ( the speed ) ( of light ) ) ) ) . ) )
(ROOT (S (NP (NP (NP (NNP Einstein) (POS 's)) (JJ Special) (NN Theory)) (PP (IN of) (NP (NNP Relativity)))) (VP (VBZ does) (RB n't) (VP (VB encompass) (NP (NP (DT the) (NN speed)) (PP (IN of) (NP (NN light)))))) (. .)))