Definition: In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Input: Question: Which nucleus of the hypothalamus is responsible for regulating sexual behavior in females ?: 
 Options:  <1> Ventromedial. <2> Suprachiasmatic <3> Paraventricular. <4> Medial preopticus <5> Dorsomedial.
