First, explain the logical problem of evil. Second, explain the difference between natural and moral evil. Third, explain Plantinga's response to the problem of moral evil. Fourth, explain Mackie's objection[1] to the free will defense. Fifth, explain Plantinga's response to Mackie's objection.
[1] Recall Mackie's objection to the free will defense is quoted in the assigned Plantinga reading, beginning on the bottom of page 167.