Task: Story Composition
Input (English): Premise: Mark sat on the couch to watch television. 
 Initial Context: He clicked the remote around to find a show. 
 Original Ending: There was nothing to watch, so Mark played a game on his phone. Eventually Mark fell asleep. His phone dropped from his hands and broke. 
 New ending: There was nothing to watch anyway, so Mark was glad his friend called him on his phone. Eventually Mark saw his friend and waved. His phone dropped from his hands and broke. 
Output (English): Just then his friend called and he went out to meet him.