Any help please. Also what method are we using to delete or remove any node in tree as per question asks. Please answer Thank you

6 Consider this binary search tree: 14 2 16 1 5 15 20 Suppose we want to remove node 5. Draw the new tree. What was the method you used? Suppose we want to remove node 14. Draw the new tree. What was the method you used? Suppose we want to delete node 2. Draw the new tree. What was the method you used? Name: Suppose we want to insert node 12. Draw the new tree. Any help please.. Please answer all 4 parts Thanks