Hello, I have a question.

1. Bring your umbrella, or you'll get get drenched tonight.
2. Bring your umbrella, and you won't get drenched tonight.

The above sentences make sence with regard to the usage of
"or" and "and." I mean:

or = if you do the opposite of "bring your umbrella"
and= if you do "bring your umbrella"

Now, what if a conditional clause is a negative clause?

Which one makes sence if I want to say "if you press the
button, it will explode"?

3. Don't press the button, or it'll explode.
4. Don't press the button, and it'll explode.

Thank you,
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