The answer is the man with red vest

It seems like you’re referring to a specific scenario where the “man with the red vest” is the answer to a question or puzzle, but the context isn’t fully clear. Based on your previous explanation, if the question is asking about the individual who remains lonely after a year, then the man with the red vest could be the one who has not found a romantic partner, unlike the others who have.

Without more details about the puzzle or scenario, I can assume that the man with the red vest is the one left out, symbolizing the person who remains lonely after others find relationships. If you meant something else, feel free to clarify!