The True God Project

You are paid $20,000 to research on the identity of the true God. You have two months to finish the research. You are not required to provide absolute proof, but instead to provide the most reasonable and rational answer. By the end of your investigation, you will recommend, given all the evidences and observations, which religion or path will most likely lead your employer to the true God. The final report shall be in written format. You must provide documentations of the research. The final recommendation should be rationally established and clearly written.
Interested? Well, should we begin?