True or False?

Almost all Christians  claim they have the Holy Spirit with them (or inside them). This is the point when they start to prophesy and boast they were inspired by the Holy Spirit but, the  question is, how do they know they don't have an "Evil Spirit" with them? It's Clear from the Bible Yahweh has "Two Spirits" which possesses  humans, one "Good the other Evil"

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Now the Spirit of the LORD departed from Saul, and an evil spirit from the LORD terrorized him. (1 Samuel 16:14)

("The evil spirit from God came upon Saul, and he prophesied.")

The next day an evil spirit from God came forcefully on Saul. He was prophesying in his house, while David was playing the lyre, as he usually did. Saul had a spear in his hand(1 Samuel 18:10)

What's worse Paul the founder of Christianity wasn't aware if he had the Holy Spirit yet Christians claim they have lol

Yet in my judgment she is happier if she remains as she is. And I think that I too have the Spirit of God. (1 Corinthians 7:40)

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Christians are in big trouble  unless they can prove to us they have the  "Good Spirit" from Yahweh  not the "Evil Spirit" ASK THEM FOR PROOF AND WATCH THEM TURN TO INSULTS!!

(don't forget to ask them how does God have Good and Evil Spirits within him? )