For example, I have a list of phrases/words ("boy, a guy, tree") and I want them to be the result if written in a string and remove duplicate
Desired Outcome:
Input: boy girl a tree a guy and a boy
Output: boy tree a guy (in any particular order, I don't mind)
Input: boy boy boy boy boy
Output: boy
Input: girl boy girl boy a guy
Output: girl boy a guy (in any particular order, I don't mind)
Input: a guy girl very handsome girl tricky question
Output: a guy girl