Jehovah want's people to gain accurate knowlege right? So where do they gain this knowledge if they are not JW's?
Assume she gets this from John 17:3. Read it to her and then read 2 Timothy 3:16,17. The knowledge is found in the Bible, not in an organization. If you want to spend some quality time with this discussion, read John chapter 14 together, especially verse 6 ("I am the way..."). Again, it is the Bible for information, Jesus for the Way, and no mention of organized religion. You can even bring out examples of Jesus and the prophets of the OT speaking out against the religious leaders, showing the Bible's clear opinion about organized religion.
Jehovah wants his people to be united right? So why should we not disfellowship those who have a difference of opinion? That only creates disuniuty! JW's are the only people who are entirely united on the Earth. Worldly churches can even agree on their own teachings.
This is one that you would be better off challenging the initial premise. Ask her where in the Bible does it say that God requires unity, and then go to those verses and read them in context. After reading them in context, discuss whether the use of the word "unity" implies strict conformity and everyone believing the exact same thing in every detail, or whether it simply means that all Christians should believe in Jesus and his sacrifice.
What other group do you know that goes preaching from door to door on the same scale as JW's? The bibe says to preach to every land(bla bla bla). Jehovahs Witnesses are the only group doing that on such a scale. this proves they are the truth.
Mormons. They do it even better than the JWs do, obviously, since they are more than twice the size of the JWs in approximately the same amount of time as an organization. Does this mean they have twice as much of Jehovah's blessing? Of course it doesn't. And again, challenge the premise: Why is door to door significant? Matthew 24:14 makes no mention of specific "door to door" preaching, and when Jesus taught his disciples how to conduct their ministry he specifically said not to be going "from house to house," but to preach everywhere and find a single house to stay in. (Luke 10:7) As for preaching in every land, most Christian denominations have missions all over the world and are quite successful - without going from house to house, too. Find some examples if you think they'll help.
Why are all the annointed ONLY in the JW religion? (I used to wonder the same thing until I did research)
Because "the anointed" as a group are an invention of the JW religion. Most of the billions of Christians on this planet feel they are destined to go to heaven. Only the hubris of the Watchtower has closed the door on all but 144,000 people. If you can get your hands on a purple Kingdom Interlinear NWT Bible and look at Revelation 7 together you can show her that the "great crowd" that is "before the throne" is in the SAME PLACE as a bunch of angels that are described as "before the throne" later in the chapter (the Greek word is identical). Also you can look at Revelation 19:1 that says the "great crowd" is in heaven.
Maybe there are different classes of people who go to heaven, but the invitation to go is open to ALL Christians. 1 Timothy 2:6 says Jesus was a ransom for ALL.
Even if you plant seeds that only germinate years into the future, you're doing a good thing. Good Luck, Cruz!