It’s 4
3 was Vas. He hated you.
4 was the flamboyant guy. He actually liked you at the beginning, and you betray his trust by jumping out the window
FC5 also has the option to finish the game in a couple of minutes if you do what the antagonist asks. Don’t remember what exactly it was, leave with your team, I believe.
FC6 too. In the beginning you’re only helping the resistance so they’ll give you a boat to escape to Miami. Once they give you the boat you’re supposed to join them anyway, but if you take the boat and sail far enough away you’ll get a cutscene where you escape to Miami and later watch the fall of your country on the news.