that i think is supposed to be an attempt at hardass american but sometimes just lapses into unhidden british 
(ROOT (S (SBAR (WHNP (IN that)) (S (NP (PRP i)) (VP (VBP think) (SBAR (S (VP (VBZ is) (VP (VBN supposed) (S (VP (TO to) (VP (VB be) (NP (NP (DT an) (NN attempt)) (PP (IN at) (NP (NN hardass) (JJ american)))))))))))))) (CC but) (ADVP (RB sometimes)) (ADVP (RB just)) (VP (VBZ lapses) (PP (IN into) (NP (JJ unhidden) (NNP british))))))
(ROOT (S (SBAR (WHNP (IN )) (S (NP (PRP )) (VP (VBP ) (SBAR (S (VP (VBZ ) (VP (VBN ) (S (VP (TO ) (VP (VB ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN ) (JJ )))))))))))))) (CC ) (ADVP (RB )) (ADVP (RB )) (VP (VBZ ) (PP (IN ) (NP (JJ ) (NNP ))))))