Привет помогите задать альтернативные и разделительные вопросы мне срочно надо…

1) Tanya is fixing a pumpkin on the sticks, isn't she? Is Tanya or Natasha fixing a pumpkin on the sticks? 2) Robin is decorating the room, isn't he? Is Robin decorating the room or the flat? 3) Robin and Dima are making a mobile, aren't they? Are Robin and Dima making a mobile or a model of ship? 4) Lena is cooking a Halloween treat, isn't she? Is Lena or Sveta cooking a Halloween treat? 5) Katya and Lena are carving a pumpkin, aren't they? Are Katya and Lena carving a pumpkin or a carrot?