( ( ( ( ( It ( lacks ( ( some traits ) ( required ( for ( competing ( at ( ( the ( highest levels ) ) ( of ( international ( riding sports ) ) ) ) ) ) ) ) ) ) ) , ) but ) ( ( ( its combination ) ( of ( size ( and ( good temperament ) ) ) ) ) ( makes ( it ( suitable ( for ( both ( ( adults and ) children ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (PRP It)) (VP (VBZ lacks) (NP (NP (DT some) (NNS traits)) (VP (VBN required) (PP (IN for) (S (VP (VBG competing) (PP (IN at) (NP (NP (DT the) (JJS highest) (NNS levels)) (PP (IN of) (NP (JJ international) (NN riding) (NNS sports)))))))))))) (, ,) (CC but) (S (NP (NP (PRP$ its) (NN combination)) (PP (IN of) (NP (NN size) (CC and) (JJ good) (NN temperament)))) (VP (VBZ makes) (S (NP (PRP it)) (ADJP (JJ suitable) (PP (IN for) (NP (DT both) (NNS adults) (CC and) (NNS children))))))) (. .)))
It lacks some traits required for competing at the highest levels of international riding sports, but its combination of size and good temperament makes it suitable for both adults and children.
(ROOT (S (NP (JJ Adult) (NNS humans)) (VP (VBP lack) (NP (NP (DT some)) (PP (IN of) (NP (NP (DT the) (VBG defining) (NNS traits)) (PP (IN of) (NP (NNS chordates))))))) (. .)))