They decided to go there by train. надо составить 5 вопросов

They decided to go there by train. Они решили ехать туда на поезде. 1. Did they decide to go there by train? 2. Who decided to go there by train? 3. How did they decide to go there? 4. Did they decide to go there by train or by plane? 5. They decided to go there by train, didn\'t they?