Task: Story Composition
Input (English): Premise: Joe had a huge headache. 
 Initial Context: He tried to sleep it off. 
 Original Ending: He woke up with a bigger headache. He then took some medicine. After an hour the headache was gone. 
 Counterfactual Context: He decided to do Yoga to relieve his headache.
Output (English): When he was finished he had an even bigger headache. He then took some medicine. After an hour the headache was gone.