9. Set up a binary tree for the following list, in the given order, using alphabetical ordering: SHE, SELLS, SEA, SHELLS, BY, THE, SEASHORE. (draw the tree) (30 pts) 1. How many comparisons with words in the tree are needed to determine if the word SHARK is in the tree? (10 pts) 2. How many comparisons with words in the tree are needed to determine if the word SEAWEED is in the tree? (10 pts) 3. How many comparisons with words in the tree are needed to determine if the word SHELLS is in the tree? (10 pts)