If Thorns win: #3 if SD lose/draw AND ORL/SEA draw, #4 if one of those things happen, #5 if neither of those things happen. (There's also an odd case where we win our game by 5 more goals than SD wins theirs, but... yeah.)
If Thorns win: #3 if SD lose/draw AND ORL/SEA draw, #4 if one of those things happen, #5 if neither of those things happen. (There's also an odd case where we win our game by 5 more goals than SD wins theirs, but... yeah.)