Problem: Continue the following story.

At the cash register at the convenience store, Leslie gave Logan change because
Here's how I want to continue it: Logan was the customer.

Problem: Continue the following story.

Being a chemical engineer suited Derrick but not Randy because
Here's how I want to continue it: Derrick had a very technical mind.

Problem: Continue the following story.

The allergy caused James to need a high dose of medication because the
Here's how I want to continue it:
medication was curing it.