Test Subject
Location: Aya
While passing by the Holographic Message Terminal outside Resistance HQ on Aya, SAM will come online to tell you that you are being scanned by a nearby Angaran.
Speak to them about it. Be as polite or rude as you like, the conversation will spiral to the same point regardless- this grandmother is concerned that your species will grow and threaten hers. Perhaps just as well she isn't scanning Drack.
Regardless of choices, ending the conversation ends the mission.