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 reformed the athenian constitution into a true democracy?" whose answer is Solon.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who reformed the athenian constitution into a true democracy
Useful Output:

Doc 1: Cleisthenes changed Athenian democracy becuase he redefined what it was to be a citizen and so removed the influence of traditional clan groups. Now all
Doc 2: Cleisthenes introduced true popular government, or direct democracy (as opposed to representative democracy).  Athenian government have on
Doc 3: In Athens, the reforms of Cleisthenes led to the creation of the western world's first known democracy. We will examine how this democracy
Doc 4: In the year 507 B.C., the Athenian leader Cleisthenes introduced a system of political reforms that he called demokratia, or “rule by the
Doc 5: Cleisthenes instituted the first true democracy in Athens in 507 BCE. According to Aristotle: These reforms made the constitution much more democratic than