You are to design a small dictionary using the Binary Search Tree data structure. Each entry may include a word and its definitions. You should create the tree structure/dictionary using data input from a text file. After the dictionary is created, the user can search for a word. If it's found, the definitions are displayed. If the searched word is not found, the user can add the word to the dictionary. GUI is not required, however, a bonus will be awarded if the program uses GUI.