Task: Story Composition
Input (English): Premise: Hal owned many stocks. 
 Initial Context: He wanted to sell some, but was afraid of the tax consequences. 
 Original Ending: Instead, he wrote call options on these stocks. Hal was delighted with the income generated by these trades. After the options expired worthless, Hal felt happy. 
 Counterfactual Context: He wanted to buy more.
Output (English): His wife convinced him to write call options on these stocks instead. Hal was delighted with the income generated by these trades. After the options expired worthless, Hal felt happy.