Never Let Me Go

None. Cloning, and an institution.

Students become carers; carers become donors. The vocabulary, the milestones and the professional pride are complete and entirely sincere. The purpose was manufactured for someone else's benefit and is experienced as one's own.

Assigned meaning — A system hands you a purpose, and it is sufficient.

Contains no AI whatsoever, and is the clearest account here of assigned purpose. Included deliberately — see Method.