A spark of annoyance lit Lincoln's eyes; the smallest hint of Natalia's Russian fire.
( ( ( ( ( A spark ) ( of ( ( annoyance ( lit ( Lincoln 's ) ) ) eyes ) ) ) ; ) ( ( the ( smallest hint ) ) ( of ( ( Natalia 's ) ( Russian fire ) ) ) ) ) . )
(ROOT (NP (NP (NP (DT A) (NN spark)) (PP (IN of) (NP (NP (NN annoyance) (NNP lit) (NNP Lincoln) (POS 's)) (NNS eyes)))) (: ;) (NP (NP (DT the) (JJS smallest) (NN hint)) (PP (IN of) (NP (NP (NNP Natalia) (POS 's)) (JJ Russian) (NN fire)))) (. .)))
Lincoln wasn't interested at all in what was happening with Natalia.
( Lincoln ( ( ( was n't ) ( interested ( at ( ( all ( in what ) ) ( was ( happening ( with Natalia ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Lincoln)) (VP (VBD was) (RB n't) (ADJP (JJ interested) (PP (IN at) (SBAR (WHNP (DT all) (WHPP (IN in) (WHNP (WP what)))) (S (VP (VBD was) (VP (VBG happening) (PP (IN with) (NP (NNP Natalia)))))))))) (. .)))