Periodically, the Islamic world has seen surges of what, for want of a better term, is often labeled fundamentalism.
( Periodically ( , ( ( the ( Islamic world ) ) ( ( has ( seen ( surges ( of ( what ( , ( ( for ( want ( of ( a ( better term ) ) ) ) ) ( , ( ( is often ) ( labeled fundamentalism ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Periodically)) (, ,) (NP (DT the) (JJ Islamic) (NN world)) (VP (VBZ has) (VP (VBN seen) (NP (NP (NNP surges)) (PP (IN of) (SBAR (WHNP (WP what)) (S (, ,) (SBAR (IN for) (S (VP (VBP want) (PP (IN of) (NP (DT a) (JJR better) (NN term)))))) (, ,) (VP (VBZ is) (ADVP (RB often)) (VP (VBN labeled) (NP (NN fundamentalism)))))))))) (. .)))
These periods are most evident by periods of extreme violence.
( ( These periods ) ( ( are ( ( most evident ) ( by ( periods ( of ( extreme violence ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT These) (NNS periods)) (VP (VBP are) (ADJP (ADJP (RBS most) (JJ evident)) (PP (IN by) (NP (NP (NNS periods)) (PP (IN of) (NP (JJ extreme) (NN violence))))))) (. .)))