Task: Story Composition
Input (English): Premise: Mark told his son Eric that Coke and Mentos will explode when mixed. 
 Initial Context: Eric bought a huge amount of Coke and Mentos to test this hypothesis. 
 Original Ending: He decided to mix them in his dad's bedroom. The ensuing explosion caused the house to shake! Mark had to hire a cleaning service to get clean up the mess. 
 New ending: Eric decided to mix them in his son's bedroom. The ensuing explosion caused the house to shake! Eric had to hire a cleaning service to get clean up the mess. 
Output (English): His son wad too scared to find out.