Task: Story Composition
Input (English): Premise: John did not know how to roller skate. 
 Initial Context: His friend said that he would teach him. 
 Original Ending: They spent all day practicing skating. John kept trying and got very good. Now he roller skates all over the neighborhood. 
 New ending: They spent all day practicing skating. John kept trying and got very good. Now he roller skates all over the neighborhood. 
Output (English): He had invited his crush to go roller skating, thinking it would be easy.