Task: Story Composition
Input (English): Premise: Ed and Emma were twins and wanted to have matching Halloween costumes. 
 Initial Context: But they couldn't agree on a costume! 
 Original Ending: Ed wanted to be a superhero and Emma wanted to be a mermaid. Then their mom said she could make costumes that'd please them both. Oh Halloween she have them matching costumes - Aquaman costumes! 
 New ending: Ed wanted to be a superhero and Emma wanted to be a mermaid. Then their mom said she could make costumes that'd please them both. Oh Halloween she have them matching costumes - Aquaman costumes! 
Output (English): But they couldn't agree on a costume that's why they decided to wear different costumes.