Beginning with an empty binary search tree, what binary search
tree is formed when you insert the following values in the given
order – consider there alphabetical position for comparison.
a. W, T, N, J, E, B, A
b. W, T, N, A, B, E, J
c. A, B, W, J, N, T, E
d. B, T, E, A, N, W, J
Alphabetical positions: A-1, B-2, E-5, J-10, N-14,T-20,W-23