Assertion: headlight's bulb | /r/HasProperty | filled with xenon gas
Facets:
Source sentences:
text: Xenon HID (High Intensity Discharge) bulbs are filled with Xenon gas and contain two electrodes - one on each end of the tube-like bulb.
text: The bulbs are filled with xenon gas, which is why HID headlights are often referred to as xenon headlights.