Need help with accessibility challenge in the building a quiz project

https://www.freecodecamp.org/learn/2022/responsive-web-design/learn-accessibility-by-building-a-quiz/step-32 .
I don’t understand how to Group the relevant inputs together such that only one input from a pair can be selected at a time, can someone please help me by giving me an example of how to do this?

If you have a question about a specific challenge as it relates to your written code for that challenge, just click the Ask for Help button located on the challenge. It will create a new topic with all code you have written and include a link to the challenge also. You will still be able to ask any questions in the post before submitting it to the forum.

Thank you.

It looks like you just flagged your own post for being off-topic by mistake.

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