It is the story of eccentric and violent ideas sprouting in the fertile ground of political and social turmoil.
( It ( ( is ( ( the story ) ( of ( ( ( ( eccentric and ) violent ) ideas ) ( sprouting ( in ( ( the ( fertile ground ) ) ( of ( political ( and ( social turmoil ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (NP (NP (DT the) (NN story)) (PP (IN of) (NP (NP (ADJP (JJ eccentric) (CC and) (JJ violent)) (NNS ideas)) (VP (VBG sprouting) (PP (IN in) (NP (NP (DT the) (ADJP (JJ fertile)) (NN ground)) (PP (IN of) (NP (JJ political) (CC and) (JJ social) (NN turmoil)))))))))) (. .)))
This story is about violent ideas fomented by political and social turmoil.  
( ( This story ) ( ( is ( about ( ( violent ideas ) ( fomented ( by ( political ( and ( social turmoil ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT This) (NN story)) (VP (VBZ is) (PP (IN about) (NP (NP (JJ violent) (NNS ideas)) (VP (VBN fomented) (PP (IN by) (NP (JJ political) (CC and) (JJ social) (NN turmoil))))))) (. .)))