Assertion: sun's skin | /r/HasProperty | exposed to sunlight
Facets:
Source sentences:
text: When your skin is exposed to sunlight, it makes vitamin D from cholesterol.
text: When bare skin is exposed to sunlight, most skin will either burn or tan.
text: However, when the skin is then exposed to sunlight (even days or weeks later), the furocoumarins cause a nasty chemical burn.