In the Supreme Court's unanimous opinion in the Brown v. Board of Education case, Chief Justice Earl Warren wrote, "Does segregation of children in public schools solely on the basis of race, even though the physical facilities and other 'tangible' factors may be equal, deprive the children of the minority group of equal educational opportunities? . . . We believe that it does." What does the full text of the opinion reveal about how the justices believed that segregation operated to make public education for black children inherently unequal?