Problem: Continue the following story.

The jars failed to preserve the food, while the cans worked very well, as the 
OPTIONS:
- jars left the food exposed to bacteria.
- cans left the food exposed to bacteria.
Here's how I want to continue it: jars left the food exposed to bacteria.

Problem: Continue the following story.

Angela rode horses all their life and Amy just started, so 
OPTIONS:
- Angela trained really hard over the weekend.
- Amy trained really hard over the weekend.
Here's how I want to continue it: Amy trained really hard over the weekend.

Problem: Continue the following story.

The pants kept shrinking in the wash, but the socks weren't affected, because the 
OPTIONS:
- pants were made of solid material.
- socks were made of solid material.
Here's how I want to continue it:
socks were made of solid material.