A survey of 80 sophomores at a certain western college showed that
36 take English
32 take history
32 take political science
16 take history and English
16 take political science and history
14 take political science and English
6 take all three
How many students:
1. take English and niether of the other two?
2. take none of the three courses?
3. take history, but niether of the other two
4. take political science and history but not english
5. do not take political science?