Task: Story Composition
Input (English): Premise: Heather and her family really wanted tacos for dinner. 
 Initial Context: Two of the children wanted chicken tacos. 
 Original Ending: The other two children wanted beef. Heather took great care preparing all the tacos that each wanted. Everyone sat down at dinner and enjoyed eating the tacos together. 
 New ending: The other two children wanted beef. Heather took great care preparing all the tacos that each wanted. Everyone sat down at dinner and enjoyed eating the tacos together. 
Output (English): Two of the children wanted chicken beef.