1 A classroom is  youngerbiggeroldersmallershorterthinner than a canteen. (small)
2 The teachers are  biggersmallerolderthinneryoungershorter than the students. (old)
3 The students are  smallerthinneryoungershorterolderbigger than the teachers.(young)
4 An exercise book is  olderbiggerthinneryoungershortersmaller than a book. (thin)
5 A desk is  oldershorterbiggeryoungersmallerthinner than a chair. (big)
6 A pen is  olderthinnershortersmallerbiggeryounger than a ruler. (short)