Article writer needed

I looking for a content writer who could write me 10 short articles, minimum 250 words. Perfect english without ANY grammar mistakes is essential. All articles must be unique, I will check them through Copyscape and if it turns out they aren't unique - I won't pay. I'm willing to get these articles within 10 days period after you get this project. I will pay 1$ per article. Main topic to focus on is 'benefits of green tea' or 'green tea for weight loss' or 'effects of green tea'. Sample on topic for review is essential for getting assigned.