Neville Longbottom
You should know very well that I am no longer a part of this Project. However, while you should have been paying attention to additional reporting on the results of testing among the First 100, I will digress as I clearly remember your incompetence from school.
From the results among the First 100 and test runs, you will be aware of your Soul Mate the moment that they take their potion, no matter which potion they take. They, however, will be limited to the specific brew they ingest. You will feel a pull toward them in their general direction, and they will be recognized through a colored aura. I hope you have, at least, paid attention to the Auras having been reported and their meanings.
Do you require further information regarding the effects of the Potion?