Assertion: carrot's vitamin a | /r/CapableOf | play critical role
Facets:
value: in vision
type: LOCATION
Source sentences:
text: The high vitamin-A content of carrots helps keep your eyes healthy, since vitamin A plays a critical role in vision, and eating carrots may also help lower your risk for heart disease and cancer, according to an article published in "Comprehensive Reviews in Food Science and Food Safety" in March 2010.