Assertion: ellipse's vertex | /r/HasProperty | − 4
Facets:
Source sentences:
text: Vertices ( 0 , 1 ) , ( − 4 , 1 ) , ( − 2 , 5 ) , ( − 2 , − 3 ) , Foci ( − 2 , 1 + 2 3 ) , ( − 2 , 1 − 2 3 )