Solution
If-then form
If you are an Olympian, then you are an athlete. True, Olympians are athletes.
Converse
If you are an athlete, then you are an Olympian. False, not all athletes are Olympians.
Inverse
If you are not an Olympian, then you are not an athlete. False, even if you are not an Olympian, you can still be an athlete.
Contrapositive
If you are not an athlete, then you are not an Olympian. True, a person who is not an athlete cannot be an Olympian.