Examine the following passage-based editing item.
Passage paragraph 1: Two coworkers are privately discussing a conference schedule. Neither person is the subject of an action that turns back on the speaker or listener.
Passage paragraph 2: Between [yourself and myself], the schedule needs another revision before it is posted. The coworkers decide to suggest a longer lunch break.
Which option corrects the usage problem in the prepositional phrase naming the two people in confidence?