OK stop here:
"Okay, then--if Jehovah's Organization is a false religion, where is the True one? Where do I go now? Point me to the church that
doesn't believe in the Trinity, Hellfire, immortality of the soul, and all that other pagan crap. I challenge you."
You're essentially saying here that this is a bait and switch to turn the question on to you, but then you can't provide the answer so you're saying it's the wrong question to ask. I've gotten this probably a thousand times already, the answer I always use is.
"Well The Associated Bible Students, The Dawn Bible Students, The Second Day Adventists, The Seventh Day Adventists, and The Christadelphians are a few. But there are 33,380 different denominations of Christianity, why should I do your research for you. Are you not willing to seek out and find the true religion, do you need it all handed out to you on a silver platter?"
From there I'll usually go into a quick explanation, "What you're doing here is moving the goalposts, you're not seeking truth but you're seeking a religion that is exactly like the Jehovah's Witnesses. If I point out religions that believe in all those things, no doubt you'll find another qualifier right? "Well do they believe that there's only 144,000 going to heaven", this is based on the false premise that what Jehovah's Witnesses teach is right. Why don't you research those religions and find out WHY they don't agree with specific teachings of Jehovah's Witnesses. Then you can find out what is the real truth and find the religion that fits that mold. Instead of stating that everything Jehovah's Witnesses believe is true, now I need to find a religion that fits that mold. As we've shown, there's a good chance what Jehovah's Witnesses are teaching is false.
Essentially you're making this a giant conversation when if you used the response I've outlined here it would take a minute and a half and put the ball back in their court.