You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "who said the function of tragedy is to produce the katharsis of pity and fear?" whose answer is Aristotle.
Each document should contain about 30 words, and these documents should contain useful information.

Query: "Aristotle function of tragedy katharsis pity fear"
Useful Output:

Doc 1: Tragedies allowed us to achieve that catharsis of emotions by evoking pity and fear, making us feel extreme emotions in order to release them.
Doc 2: Aristotle's claim that tragic drama achieves the catharsis of such emotions as pity and fear has been interpreted in a number of different ways.
Doc 3: Catharsis through tragedy not only allows the audience to view a distressing image, it allows them to vicariously experience the same emotions.
Doc 4: Aristotle states that the purpose of tragedy is to arouse “terror and pity” and thereby effect the catharsis of these emotions. His exact
Doc 5: Rules for the construction of a tragedy: Tragic pleasure, or catharsis experienced by fear and pity should be produced in the spectator. The characters must