Problem: Continue the following story.

James tried cutting the box with a blade but he failed, so he used a knife and it was a success. It appeared the 
Here's how I want to continue it: knife is sharp.

Problem: Continue the following story.

I avoided the live wire but not the fence it ran along because the 
Here's how I want to continue it: wire was dangerous to touch.

Problem: Continue the following story.

Ian wanted to make a cardigan from scratch but Randy did not as 
Here's how I want to continue it:
Ian was very innovative.