Problem: Continue the following story.

Katrina trained Tanya to do aerobic exercise because
Here's how I want to continue it: Katrina was a trainer in great shape.

Problem: Continue the following story.

The
Here's how I want to continue it: arm was badly swollen due to infection but the foot was not as the arm was injured.

Problem: Continue the following story.

Cynthia treated the infection on Felicia at the hospital after
Here's how I want to continue it:
Felicia acquired the wound on their leg.