Task: Story Composition
Input (English): Premise: John was taking an art class. 
 Initial Context: One day the teacher said they were going to paint with egg temperas. 
 Original Ending: John learned how to puncture an egg yolk and mix it with dye. Then he began painting with the resulting ink. John found that the egg tempera paint was vivid and bright. 
 Counterfactual Context: He was going to sculpt.
Output (English): John learned how to puncture an egg yolk and mix it with clay Then he began sculpting with the resulting clay. John found that the egg tempera clay was vivid and bright.