Sliders and Accessibility

Oh no! Now that I'm reading this thread, I'm worried I made the mistake of thinking sliders were easier than drag/drop hotspots for accessibility. I've successfully done the latter with much effort; I thought that I would save time/effort by using a slider this time, but this thread is making me wonder if I need to bail and go back to the effort-intensive accessible drag and drop.

Can someone help me figure out if/how to make this attached interaction accessible?

For those who aren't able to open the file, I have a layer with a 3-step slider that starts in the middle and slides either left to answer "myth" or right to answer "fact." Then I multiplied it out (all on one single slide) to have five unique myth/fact questions, each on its own separate layer, and each with an incorrect and a correct layer associated with it. That makes 15 separate layers: 5 separate sliders, all accessed one at a time, but all on the same slide.