- Converse: "If I do not stay on my diet, then the menu includes onion rings."
- Inverse: "If the menu does not include onion rings, then I stay on my diet."
- Contrapositive: "If I stay on my diet, then the menu does not include onion rings."
For the multiple-choice questions:
- The converse corresponds to option D.
- The inverse corresponds to option A.
\[
\boxed{\text{Converse: D, Inverse: A}}
\]