Somebody who obviously that English was not their first language, but they wrote a book?
( Somebody ( who ( ( obviously ( that ( ( ( ( English ( ( was not ) ( their ( first language ) ) ) ) , ) but ) ( they ( wrote ( a book ) ) ) ) ) ) ? ) ) )
(ROOT (FRAG (RB Somebody) (WP who) (SBAR (ADVP (RB obviously)) (IN that) (S (S (NP (NNP English)) (VP (VBD was) (RB not) (NP (PRP$ their) (JJ first) (NN language)))) (, ,) (CC but) (S (NP (PRP they)) (VP (VBD wrote) (NP (DT a) (NN book)))))) (. ?)))
Someone who was not easily identifiable as English.
( ( Someone ( who ( ( ( was not ) easily ) ( identifiable ( as English ) ) ) ) ) . )
(ROOT (FRAG (NP (NP (NN Someone)) (SBAR (WHNP (WP who)) (S (VP (VBD was) (RB not) (ADVP (RB easily)) (ADJP (JJ identifiable) (PP (IN as) (NP (NNP English)))))))) (. .)))