Are you sure we should take him down there?' Greuze asked Natalia.
( ( ( ( Are you ) ( sure ( we ( should ( ( take him ) ( down there ) ) ) ) ) ) ? ) ( ' ( Greuze ( ( asked Natalia ) . ) ) ) )
(ROOT (S (SQ (VBP Are) (NP (PRP you)) (VP (VBG sure) (SBAR (S (NP (PRP we)) (VP (MD should) (VP (VB take) (NP (PRP him)) (ADVP (RB down) (RB there))))))) (. ?)) ('' ') (NP (NNP Greuze)) (VP (VBD asked) (NP (NNP Natalia))) (. .)))
Natalia was certain it was alright to bring him down there, and told Greuze that no matter what, he must end up down there. 
( Natalia ( ( was ( certain ( it ( ( ( ( was ( alright ( to ( ( bring him ) ( down there ) ) ) ) ) , ) and ) ( ( ( told Greuze ) ( ( that no ) matter ) ) ( ( what , ) ( he ( must ( ( end up ) ( down there ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Natalia)) (VP (VBD was) (ADJP (JJ certain) (SBAR (S (NP (PRP it)) (VP (VP (VBD was) (ADJP (JJ alright) (S (VP (TO to) (VP (VB bring) (NP (PRP him)) (ADVP (RB down) (RB there))))))) (, ,) (CC and) (VP (VBD told) (NP (NNP Greuze)) (ADVP (RB that) (DT no) (NN matter)) (SBAR (WHNP (WP what)) (, ,) (S (NP (PRP he)) (VP (MD must) (VP (VB end) (PRT (RP up)) (ADVP (RB down) (RB there)))))))))))) (. .)))