Before revision:  Our objective is to determine a rule which identifies the best arm with a fixed minimum confidence using as few observations as possible, i.e.  fixed-confidence (FC) best arm identification (BAI) in multi-armed bandits.
After revision:  Our objective is to determine a rule which identifies the best arm with a fixed minimum confidence using as few observations as possible, i.e. this is a fixed-confidence (FC) best arm identification (BAI) in multi-armed bandits.