If The Last of Us Season 2 doesn't cover all of Part 2, where does it split?

gamesradar.com:

The Last of Us on HBO was a triumph, a show that saw unprecedented audience growth, massive critical acclaim, and secured a second season within weeks of its first episode airing. That second season will, of course, cover the events of The Last of Us Part 2, with certain characters and moments from the original game's 2020 sequel already woven into the first nine-episode run. But showrunner Craig Mazin has already made clear that it won't encompass the entire game – "more than one" season will be required to tell that story. If that's the case, what does the structure of The Last of Us Part 2 tell us about the future of HBO's The Last of Us?

Major spoilers for The Last of Us Part 2 follow

There are, to my mind, three places where The Last of Us Season 2 could come to an end: after the golf club scene in the Lodge; after the first fight in the theatre in Seattle; or after the second theatre fight. 

The first option requires the most liberty with Mazin's suggestion that he's looking to "directly" adapt Part 2, but it still works. There are five years between the events of Parts 1 and 2, but an awful lot happens in that time, much of it explored in flashbacks throughout the second game. Ellie's relationship with Joel changes considerably, with the events of season one's final episode percolating uncomfortably for several months. But in the background, there are plenty of other characters to consider: a glimpse of a character thought to be Abby points directly to her story, also explored in-depth during Part 2; Ellie's relationship with Dina begins off-screen; and there are entire new factions, crucial to a core game narrative, that could be established through a second season. And that second stretch would come to a