Problem: Continue the following story.

Samantha goes to Mary to buy some supplements in powder form because 
Here's how I want to continue it: Samantha is a customer.

Problem: Continue the following story.

Kevin used a knife to trim his fingernails while Christopher buffed with an emory board. 
Here's how I want to continue it: Kevin was more bold.

Problem: Continue the following story.

The peppers of Sarah look bigger than those of Elena, so 
Here's how I want to continue it:
Elena is the worse farmer.