unlikely to be appreciated by anyone outside the under-10 set 
(ROOT (ADJP (JJ unlikely) (S (VP (TO to) (VP (VB be) (VP (VBN appreciated) (PP (IN by) (NP (NP (NN anyone)) (PP (IN outside) (NP (DT the) (NML (PP (IN under) (HYPH -) (NP (CD 10)))) (NN set)))))))))))
(ROOT (ADJP (JJ ) (S (VP (TO ) (VP (VB ) (VP (VBN ) (PP (IN ) (NP (NP (NN )) (PP (IN ) (NP (DT ) (NML (PP (IN ) (HYPH ) (NP (CD )))) (NN )))))))))))