( ( Some flexibility ) ( ( is ( ( needed then ) ( to ( allow ( for ( changes ( in ( the ( learning objectives ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT Some) (NN flexibility)) (VP (VBZ is) (VP (VBN needed) (ADVP (RB then)) (S (VP (TO to) (VP (VB allow) (PP (IN for) (NP (NP (NNS changes)) (PP (IN in) (NP (DT the) (NN learning) (NNS objectives)))))))))) (. .)))
Some flexibility is needed then to allow for changes in the learning objectives.
(ROOT (S (NP (NP (DT The) (NN flexibility)) (PP (IN of) (NP (DT an) (NN object)))) (VP (VBZ allows) (S (NP (PRP it)) (VP (TO to) (VP (VB bend))))) (. .)))
The flexibility of an object allows it to bend.