Assertion: sibling's relationship | /r/MadeOf | a rank or gender conflict
Facets:
Source sentences:
text: Four relationships contain a rank or gender conflict: (1) the oldest brother of sisters and the oldest sister of brothers; (2) the youngest brother of sisters and the youngest sister of brothers; (3) the oldest brother of brothers and the youngest sister of sisters; and (4) the youngest brother of brothers and the oldest sister of sisters.