8. Determine which, if any, of the three statements are equivalent.

Question

I) If I am hungry, then I will not be able to concentrate at the meeting.
II) Either I am not hungry or I will be able to concentrate at the meeting.
III) If I am able to concentrate at the meeting, then I am not hungry.

1 I, II, and III are equivalent
2 I and II are equivalent
3 II and III are equivalent
4 I and III are equivalent
5 None are equivalent