Understanding Pronouns, or Felipe and Donna

As told in a French grade school student's English notebook that was abandoned on the sidewalk:

1.
2. felipe Garra was Donna's friend
3. Felipe told felipe's friend his head hurt.
4. The Garras told the doctors, "Felipe wanted to give his heart to Donna.
5. Donna's operation was a success.
6. Donna has to take medicine every day.

2. He had terrible headaches sometimes.
3. We can't save felipe," they said.
4. I'm going to give my heart to Donna.