that the only rip off that we were aware of 
(ROOT (FRAG (IN that) (NP (NP (DT the) (JJ only) (NN rip) (RP off)) (SBAR (WHNP (WDT that)) (S (NP (PRP we)) (VP (VBD were) (ADJP (JJ aware) (PP (IN of)))))))))
(ROOT (FRAG (IN ) (NP (NP (DT ) (JJ ) (NN ) (RP )) (SBAR (WHNP (WDT )) (S (NP (PRP )) (VP (VBD ) (ADJP (JJ ) (PP (IN )))))))))