/**
* @return Option - from Category 'gender' assigned to user.
*/
public function getGender()
{
return $this->hasOne(Option::className(), ['id' => 'genderId']);
}
/**
* @return array - list of Option having all the options belonging to this category
*/
public function getOptions()
{
return $this->hasMany(Option::className(), ['categoryId' => 'id']);
}