en R3 and R4 are sufficiently great that the R3 examples cannot reproduce the same output 
   after conversion to R4 and then back to R3. For example, the R4 resource may have a different set of status codes with imperfect maps
 </li>
 <li>
   For some resources, the information available in the R3 examples is not enough to generate valid R4 resources, and so the resources generate
   R4 validation errors. (e.g. R3 resources missing an element that is required in R4)
 </li>
 <li>
   The transform sc