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: "smallville when do lex and clark become enemies?" whose answer is Season three.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when do lex and clark become enemies in smallville
Useful Output:

Doc 1: - Post Crisis until Birthright, they met on Metropolis and were enemies from day one. - From Birthright until Infinite Crisis, they were friends
Doc 2: In Smallville, it was tragic how Clark Kent and Lex Luthor went from being the best friends to being the worst of enemies. At least Clark
Doc 3: Clark getting glimpses of the dark side Lex keeps hidden; a foreshadow of his good friend becoming his greatest enemy. Smallville (Season 1
Doc 4: When Smallville's Clark was only 16, he received a clear warning that Lex Luthor would become his greatest enemy. However, it was ultimately
Doc 5: During seasons 5, 6, and 7, Lex served as a principal antagonist for Clark, with his story culminating in the discovery of Clark's secret at the