Placement of More Information/Help Icon button for Radio Buttons

Throughout our system we are going to standardize when and how more information/help is used on specific input fields.

In general the standard will be to have the icon/button follow the field like so:

For a radio-buttons controller, where should the info/help icon be placed?

P.S. The info/help icon will be referencing the radio buttons set as a whole.

Here are the potential options. What would be the best design following best practices for designing a radio-buttons controller with info/help icon?