Task: Story Composition
Input (English): Premise: Glen's friends invited him to the beach for a party. 
 Initial Context: Although he knows that he can't swim, he still accepted the offer. 
 Original Ending: On the day of the party, he came with his swimming trunks. Diana asked if everyone wanted to take a swim. Glen ended up drowning and the lifeguard had to save him. 
 New ending: On the day of the party, he came with his swimming trunks Diana asked if everyone wanted to take a swim Glen ended up having a great time. 
Output (English): Since he can swim, he accepted the offer.