I. Drucker will study one new subject every year.II. Drucker

I. Drucker will study one new subject every year.
II. Drucker is considered to be an authority on a wide variety of subjects.

1. If statement I is the cause and statement II is its effect
2. If statement II is the cause and statement I is its effect
3. If both the statements I and II are independent causes.
4. If both the statements I and II are effects of independent causes.
5. If both the statements I and II are effects of some common cause.

Drucker 'will study' because ha wants to be more knowledgeable. He is considered an authority because he already is knowledgeable.