rip off that we were aware of 
(ROOT (VP (VB rip) (PRT (RP off)) (SBAR (WHNP (IN that)) (S (NP (PRP we)) (VP (VBD were) (ADJP (JJ aware) (PP (IN of))))))))
(ROOT (VP (VB ) (PRT (RP )) (SBAR (WHNP (IN )) (S (NP (PRP )) (VP (VBD ) (ADJP (JJ ) (PP (IN ))))))))