How to make a conditional statement in Figma to make a flow that activates a button variant when a user chooses the basketball option on the screen?

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how to make a conditional statement in Figma to make a flow that activates a button variant when a user chooses the basketball option on the screen? Im trying to get the next button on the first screen to change to a blue color which is my variant #2 when a user taps on the basketball square on the first screen.