This made my head explode today. While the sentence may be valid in its expression, it feels like it was generated by a TOP network.

https://www.sidefx.com/docs/houdini/nodes/lop/splitpointinstancers.html [www.sidefx.com]
This node creates the appearance of splitting the instances in an instancer into multiple instancers, by creating references to the original instancer, and then hiding or deleting instances inside the instancers.