Who cares dude...
Do you know how ti find out if you are mining solo or not in a pool in every work provided by the pool?
Do you know ho to find out if each and every work provided by the pool is legitimate?
Do you know how to find out if pool op is mining merged without giving you a portion of it
if not please do not expect a clear answer even from a legitimate and  official  BITMAIN Customer Service Representative
Pathetic