A statement is followed by two conclusions. Determine which conclusions are logically derived.

Statement: Quitting the addiction to caffeine is one of those situations which tests the will-power of the caffeine-addict to the maximum.

Conclusion:

I. Quitting caffeine is difficult even if the addict has the will-power to do so.

II. There are other situations which may test the will-power of the addict to the maximum.

a Both I and II

b Only I

c Only II

d Neither I nor II