2. If it is one of the islanders who makes the comment (thus breaking the taboo), it is as if that islander is now a stranger. If it is a blue-eyed islander (and if it is common knowledge that this islander is trustworthy), what would happen is that all the other blue-eyed islanders now commit suicide on the 99th day, while the original islander learns nothing about his or her own eye colour and does not commit suicide.