Trending @Accenture; Capability assessment in accenture

I am on bench from today , CL10, and got a mail from ITP that you will be given opportunity basis ur primary skills and if you are unable to clear two opportunities or we notice 2 rejections, you will hv to go capability assessment. If you are unable to clear that, company will take final steps. Can anyone please guide if only 2 rejections are allowed if u r on bench and what is there in this capability assessmnt?