Critic: The idealized world portrayed in romance literature is diametrically opposed to the debased world portrayed in satirical literature.
Evidence
Comedy and tragedy require that CT → MQC the moral qualities of major characters change during the course of the action.
Conclusion
Neither tragedy nor comedy can CT → ~SRL be classified as satirical literature or romance literature.
Evaluate
The argument assumes that SRL → ~MQC moral qualities of major MQC → ~SRL characters in romance literature and satirical literature do not change during the course of the action.