
                                    tells_all      half_half     keeps_dist    tells_third
MSE
                - no unknowns:         0.5204         0.0319         0.0071         0.0869
            - ignore unknowns:         0.4952         0.1127         0.1935         0.2574
            - reduce unknowns:         0.4401         0.1065         0.1398         0.2431
         - unknowns to common:         0.2360         0.1072         0.1593         0.1591

Relief
                - no unknowns:         0.6167         0.2816         0.1425         0.0532
              - with unknowns:         0.5056         0.3881         0.1849         0.0857

