Radius of circle around point to include nearest point of another set of points

Grasshopper
1

Hi, brand new to Grasshopper and I’m in need of assistance. I have 4 different sets of points. What I’m wanting to create a circle from every individual point of which the radius includes the nearest point of each of the other sets of points?

Any help would be appreciated.
Thanks

2

Could use proximity 2D or 3D to draw a line from each point to its closest point then use that length plus some extra (so point is inside not coincident) to drive a circe radius.

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