Placement of More Information/Help Icon button for Radio Buttons

Throughout our system we are going to be standardizing 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:

I am wondering where the placement should be for radio buttons? The more information/help will be referencing the radio set as a whole.

These are the potential options and I am wondering what would follow best practices for radio buttons and more information/help?