...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 indeed does say that E = MC2 and in leap year MC2.
( ( ( ( Einstein 's ) ( Special Theory ) ) ( of Relativity ) ) ( indeed ( ( does ( ( ( 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)))) (ADVP (RB indeed)) (VP (VBZ does) (UCP (S (VP (VB say) (S (NP (DT that) (NN E)) (VP (SYM =) (NP (NNP MC2)))))) (CC and) (PP (IN in) (NP (NN leap) (NN year) (NN MC2))))) (. .)))