Given the task definition and input, reply with output. In this task, you will use your knowledge about language (and common sense) to determine what element the marked number refers to. The numbers are marked with two underlines around them, like: _ number _. Your answer should be chosen from the given text, and should not contain other words.

Tawny Dean: Louis ' constant craving for approval combined with his youngest child syndrome has basically split his personality in _ two _ .
Twitty: So what are we gon na do for him ?
Tawny Dean: We 've got ta shock him back into reality . This calls for drastic measures .
personality