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Question 4 Consider the following tree rooted at node a. Answer the following questions: 9 (i What is the parent of node a? (ii) What are the siblings of node b? (iii) What are the children of node a? (iv) What is the subtree rooted at node a? (v) What is the subtree rooted at node d? (vi) What are the ancestors of node i? (vii) What are the descendants of node b? viii) What are the leaf nodes in the tree? (ix) What is the height of the above tree? (x) Is the above tree a binary tree