who are trying to make their way through this tragedy 
(ROOT (SBAR (WHNP (WP who)) (S (VP (VBP are) (VP (VBG trying) (S (VP (TO to) (VP (VB make) (NP (PRP$ their) (NN way)) (PP (IN through) (NP (DT this) (NN tragedy)))))))))))
(ROOT (SBAR (WHNP (WP )) (S (VP (VBP ) (VP (VBG ) (S (VP (TO ) (VP (VB ) (NP (PRP$ ) (NN )) (PP (IN ) (NP (DT ) (NN )))))))))))