The definition of a "classic" can be a hotly debated topic. Depending on what you read, or the experience of the person you question on the topic, you may receive a wide range of answers. So, what is a "classic"--
*A classic usually expresses some artistic quality--an expression of life, truth, and beauty.
*A classic stands the test of time.
*A classic has a certain universal appeal.
*A classic makes connections.
So, what I say is,if it falls in any of the above categories, leave it alone and go find another story to make your movie from....