anarchists who face arrest 15 years after their crime 
(ROOT (NP (NP (NNS anarchists)) (SBAR (WHNP (WP who)) (S (VP (VBP face) (NP (NN arrest)) (PP (NP (CD 15) (NNS years)) (IN after) (NP (PRP$ their) (NN crime))))))))
(ROOT (NP (NP (NNS )) (SBAR (WHNP (WP )) (S (VP (VBP ) (NP (NN )) (PP (NP (CD ) (NNS )) (IN ) (NP (PRP$ ) (NN ))))))))