1. a - the - a - a - a
2. an - the - the
3. a - the - x - x
4. the - a - the
5. a - x - the - a
6. a - a - an - the
7. a - x - an - the - the - the - the
8. a - the - the
9. a - a
10. the - the - the - the - an
11. x - x - the - a
12. a - the - x
13. the - a - the - the - the