Answer:
I think that #4 here is the best choice. It is not too long and wordy like #2. #2 also only applies to the two characters, whereas #4 could be about the love that many different characters have for eachother during the games and after. Think of Katniss and her mother, or her sister, or Gail. It is important to capture the whole message, but not be too broad like #5 .
Explanation: