( Balance ( ( The ears ) ( ( ( are also ) ( responsible ( for ( ( the sense ) ( of balance ) ) ) ) ) . ) ) )
(ROOT (S (ADVP (RB Balance)) (NP (DT The) (NNS ears)) (VP (VBP are) (ADVP (RB also)) (ADJP (JJ responsible) (PP (IN for) (NP (NP (DT the) (NN sense)) (PP (IN of) (NP (NN balance))))))) (. .)))
Balance   The ears are also responsible for the sense of balance.
(ROOT (S (NP (DT The) (NNS ears)) (VP (VBP are) (NP (NP (DT an) (JJ external) (NN feature)) (PP (IN in) (NP (JJ human) (NNS beings))) (SBAR (S (VP (VBZ is) (ADJP (JJ responsible) (PP (IN for) (NP (NN balance))))))))) (. .)))