Pour into achueng instead of sister men's representative is to fight peeta, so kill all remaining katniss and peeta die together on the same field, so the idea of suicide. Men dominate the game decided to both win the race.
Terry would like to replace a sister. Man is thus representative peeta fight and kill each leaving katniss peeta the same field. I think both of them have committed suicide. The game warden decided to win both races.
You can go instead. The representative man's sister PEETA was fighting, killing all katniss PEETA and which is the same area. So suicidal both. In charge of the game decided to both win the game competition.