Al Qaeda's role in organizing terrorist operations had also changed.
( ( ( ( Al ( Qaeda 's ) ) role ) ( in ( organizing ( terrorist operations ) ) ) ) ( ( ( had also ) changed ) . ) )
(ROOT (S (NP (NP (NP (NNP Al) (NNP Qaeda) (POS 's)) (NN role)) (PP (IN in) (NP (VBG organizing) (JJ terrorist) (NNS operations)))) (VP (VBD had) (ADVP (RB also)) (VP (VBN changed))) (. .)))
Al Qaeda always had the same role.
( ( Al Qaeda ) ( always ( ( had ( the ( same role ) ) ) . ) ) )
(ROOT (S (NP (NNP Al) (NNP Qaeda)) (ADVP (RB always)) (VP (VBD had) (NP (DT the) (JJ same) (NN role))) (. .)))