Assertion: cousin's parent | /r/HasProperty | grandfather
Facets:
Source sentences:
text: A parent of one's mother or father; grandfather or grandmother.
text: You have 2 parents, 4 grandparents, 8 great grandparents, 16 great great grandparents and so on.
text: two parents, four grandparents, eight great-grandparents, sixteen great-great-grandparents, and so on.