R8 Certain non-VEX components are allowed. Robots are allowed the following additional “non- VEX” components:
a. Any material strictly used as a color filter or a color marker for a VEX Light Sensor.
Does "VEX Light Sensor" in R8a describe only the "VEX Light Sensor" (276-2158), or does it also include other VEX sensors that "sense light", such as the Line Tracker (276-2154) or the new V5 Optical Sensor (276-7043)?