Нужно 5 специальных вопросов с глаголом to be

1.)In France a family is a small group of people who live in the same house.- What is a small group of people living in the same house?2.)But there are people who want to lead independent life-Who are people who want to live independent life?3.) The main problem is that flats are very expensive to rent.-What is the main problem with flats?4.)My father's opinion and advice are very important-Whose opinion and advice are very important for you?5.)I suppose he is a real head of the family-Who is the real head of the family?