Oh, I see. It’s possible to do all that with just 1 event and 1 condition. And you can later re-use those in other places or even in other dialogues.
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On the “some changes please” node, place an event that makes a random roll between 1 and N (input 4 as N). Store the result on your Character or Player State as a variable.
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And as for condition, simply check if your saved variable equals condition’s parameter. So it’ll be the same condition on all 4 nodes, but each with a different parameter going from 1 to 4.
Let me know if I explained it clearly. I can illustrate with some images.