1.Similarly, a black parent with two black children does not represent a 4-node.
同样，有两个黑色子节点的黑色父节点也不代表4-节点。
2.I did have one black parent and one white parent, and I had played sports at school.
我的父母确实是一个白人一个黑人，在学校里我也参加些运动。
