Task: Story Composition
Input (English): Premise: Tom didn't trust his girlfriend. 
 Initial Context: It caused problems in their relationship. 
 Original Ending: They tried to work it out but it didn't work. Tom decided to break up with her. It was messy but for the best. 
 New ending: They tried to work on them. Tom finally decided to break up with her. It was messy but for the best. 
Output (English): It did not cause problems in their relationship though.