( ( For example ) ( , ( doctors ( ( will ( ( be ( better able ) ) ( understand ( reading problems ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN For) (NP (NN example))) (, ,) (NP (NNS doctors)) (VP (MD will) (VP (VB be) (ADJP (RBR better) (JJ able)) (S (VP (VB understand) (NP (NN reading) (NNS problems)))))) (. .)))
For example, doctors will be better able understand reading problems.
(ROOT (S (S (VP (VBG Being) (ADJP (JJ able) (S (VP (TO to) (VP (VB read))))))) (VP (VBZ is) (NP (NP (DT an) (NN example)) (PP (IN of) (NP (DT a) (JJ learned) (NN trait))))) (. .)))