Answer:
1. FALSE (underline uncomfortable)
2. FALSE (underline higher)
3. TRUE
4. TRUE
5. FALSE (underline ignore)
6. TRUE
7. TRUE
8. FALSE (underline can)
9. TRUE
10. FALSE (underline cannot)
11. TRUE
12. FALSE (underline two)
13. FALSE (underline improper)
14. TRUE
15. FALSE (underline not)