Apartment...twenty-one B, apparently.
( ( ( ( Apartment...twenty-one B ) , ) apparently ) . )
(ROOT (NP (NP (NP (NNP Apartment...twenty-one) (NNP B)) (, ,) (ADVP (RB apparently))) (. .)))
Apartment 21B was very sought after.
( ( Apartment 21B ) ( ( ( was very ) ( sought after ) ) . ) )
(ROOT (S (NP (NNP Apartment) (CD 21B)) (VP (VBD was) (ADVP (JJ very)) (VP (VBN sought) (PP (IN after)))) (. .)))