Assertion: watermelon's vitamin a | /r/HasProperty | essential
Facets:
value: for good vision
type: PURPOSE
value: protein in the retina
type: LOCATION
value: as an element of rhodopsin
type: OTHER
value: for the ruling of gene expression
type: PURPOSE
Source sentences:
text: Vitamin A is also essential for the ruling of gene expression and as an element of rhodopsin, the protein in the retina that permits receptors to engross light.
text: Vitamin A is essential for good vision, and it protects your eyes from various eye problems such as age-related macular degeneration, cataracts, retinal degeneration, night blindness and the like.