Problem: Rabbits are cute but Nelson was allergic but not Brian, so

My choice: Nelson had to stay far away.

Problem: After being treated for post traumatic shock, Christine thanked Jennifer, because

My choice: Jennifer had provided the help.

Problem: Eric was in charge of navigating with the map while hiking to a camp site with Kenneth, because

My choice: Eric loved reading maps.

Problem: Jennifer was very bad at playing the flute but Carrie was excellent at it.

My choice:
Jennifer took lessons to learn to play better.