Protestants, Catholics, and Orthodox agree on such things as the deity of Jesus Christ, His bodily resurrection, and some other doctrines, but they also disagree on some key doctrines such as the nature of God, man, sin, salvation, sacraments, ministry, polity, and the central doctrine of the atonement. My question is this: When all these Bodies present "The Gospel", if they are wrong on one major premise, or more, is what they are presenting actually "The Gospel"? Can a person be truly converted and claim Jesus Christ, if what they believe about the faith is wrong? Can a false premise produce a true result, a true conversion? It seems there is not one "Gospel" but several, depending on who is presenting it. How can a seeker determine which is which, and the true from the false? What are the criteria for determining this?