Person A: I have wondered how healthy it would be to–[interruption]
Person B: What do you think about a vegan diet?
Person C: remembers the beginning of the thought that got interrupted
Person A: I don't think veganism is the healthiest diet.
Person C: [to person A] What were you saying about what you were wondering would be healthy?
Is there any term for this where someone stores the beginning of another person's interrupted thought on their mental stack, and then brings that person back to the thought to complete it using the context of that thought's beginning to jog their memory?