1) Is education compulsory between the ages of 5 and 16?
2) What is compulsory between the ages of 5 and 16?
3) Education is compulsory between the ages of 5 and 16, isn't it?
4) Is education compulsory between the ages of 5 and 16 or between the ages of 7 and 18?
5) Which education is compulsory?
