Task: Story Composition
Input (English): Premise: Sam made a bet with his mom. 
 Initial Context: She bet he couldn't eat veggies at every meal for a week. 
 Original Ending: He accepted. But he could not stand eating all those veggies. His mom won the bet! 
 Counterfactual Context: She bet he couldn't eat veggies once in his meal daily.
Output (English): He accepted. But he could not stand eating all those veggies. His mom won the bet!