ability to make its subject interesting to those who are n't part of its supposed target audience 
(ROOT (NP (NN ability) (S (VP (TO to) (VP (VB make) (S (NP (PRP$ its) (NN subject)) (ADJP (JJ interesting) (PP (IN to) (NP (NP (DT those)) (SBAR (WHNP (WP who)) (S (VP (VBP are) (RB n't) (NP (NP (NN part)) (PP (IN of) (NP (PRP$ its) (VBN supposed) (NN target) (NN audience))))))))))))))))
(ROOT (NP (NN ) (S (VP (TO ) (VP (VB ) (S (NP (PRP$ ) (NN )) (ADJP (JJ ) (PP (IN ) (NP (NP (DT )) (SBAR (WHNP (WP )) (S (VP (VBP ) (RB ) (NP (NP (NN )) (PP (IN ) (NP (PRP$ ) (VBN ) (NN ) (NN ))))))))))))))))