being attempted here that stubbornly refused to gel 
(ROOT (S (VP (VBG being) (VP (VBN attempted) (ADVP (RB here)) (SBAR (WHNP (WDT that)) (S (ADVP (RB stubbornly)) (VP (VBD refused) (S (VP (TO to) (VP (VB gel)))))))))))
(ROOT (S (VP (VBG ) (VP (VBN ) (ADVP (RB )) (SBAR (WHNP (WDT )) (S (ADVP (RB )) (VP (VBD ) (S (VP (TO ) (VP (VB )))))))))))