Color used in shell-based VRML model when components overlap

I'm trying to print a shell-based VRML model with the Stratasys J750, but some components (called bodys in GrabCAD Print) of the model overlap. We would like to know which color will be used for the overlapping part: the component defined first in the file, the component defined last in the file or the behavior is random.
Is there any possibility to control the color to use in this case?

Thank you in advance