är by facebook if you remember however what happens if the number of clusters does not match the number of ground truth classes anymore so they now say Table three reports the results when we overestimate the number of ground truth classes by a factor of two okay so now they build just twenty classes for C for ten instead of ten classes and we'll going to look at table three real quick where's Table three this is Table three okay so when they over cluster you get the thing here on the bottom and you can see there is a drop in accuracy right