Apartment...twenty-one B, apparently.
( ( ( ( Apartment...twenty-one B ) , ) apparently ) . )
(ROOT (NP (NP (NP (NNP Apartment...twenty-one) (NNP B)) (, ,) (ADVP (RB apparently))) (. .)))
Apparently it was Apartment 21B.
( Apparently ( it ( ( was ( Apartment 21B ) ) . ) ) )
(ROOT (S (ADVP (RB Apparently)) (NP (PRP it)) (VP (VBD was) (NP (NNP Apartment) (CD 21B))) (. .)))