Assertion: grape's variety | /r/ObjectUse | used in wine production
Facets:
Source sentences:
text: Even though the vast majority of the members of the Muscat family are dark skinned grapes, most of the major varieties used in wine production are white or "pale skinned", with the one significant exception of Muscat of Hamburg, which is also known as Black Muscat.
text: Some varieties of American grapes that are used in wine production also make excellent table grapes.