You win. Your church is right and all the other churches and non-Christian religions are wrong.
a. I am not a member of the Orthodox Presbyterian Church.
b. I never contended that "all other churches" are wrong. I am certain that there will be all manner of Methodists, Baptists, Episcopalians, etc in Paradise.
c. Do you think that "non-Christian religions" are right? Muslims? Buddhists? Wiccans? Pagans?