Question 1 When inserting a node into a red-black tree, in which direction are the nodes rotated to ensure proper balanced structure? If a node is inserted to the left of a parent with no children, the node and parent are rotated to the right If a node is inserted to the right of parent with no children, the node and parent are rotated to the left If a node is inserted to the right or left of parent with no children, the node and parent are rotated to the opposite direction None of the above