hlebushek14 What do they set up ?
Do they set up their tent ?
Do they set up their tent or bed ?
They set up their tent , don’t they?

snow99 Did they set up their tent? -- общий
Did they set up their tent or bed? -- альтернативный
Where they set up their tent? -- специальный
They set up their tent, didn't they? -- вопрос с хвостиком