yeah that's the World League
( yeah ( that ( 's ( the ( World League ) ) ) ) )
(ROOT (S (VP (VB yeah) (SBAR (IN that) (S (VP (VBZ 's) (NP (DT the) (NNP World) (NNP League))))))))
That isn't the World League
( That ( ( is n't ) ( the ( World League ) ) ) )
(ROOT (S (NP (DT That)) (VP (VBZ is) (RB n't) (NP (DT the) (NNP World) (NNP League)))))