多选题 Given:
2. public class Organic＜E＞ {
3. void react(E e) { }
4. static void main(String[] args) {
5. // Organic＜? extends Organic＞ compound = new Aliphatic＜Organic＞();
6. // Organic＜? super Aliphatic＞ compound = new Aliphatic＜Organic＞();
7. compound.react(new Organic());
8. compound.react(new Aliphatic());
9. compound.react(new Hexane());
10. }}
11. class Aliphatic＜F＞ extends Organic＜F＞ { }
12. class Hexane＜G＞ extends Aliphatic＜G＞ { }
Which, taken independently, are true? (Choose all that apply.)