Task: Story Composition
Input (English): Premise: Tom had a small gathering for friends. 
 Initial Context: He noticed someone there he didn't recognize. 
 Original Ending: The guy said he had mutual friends. Nobody at the party recognized him. Tom asked him to leave. 
 New ending: He came with mutual friends. He knew everyone at the party. Tom asked him help with everything. 
Output (English): He noticed his best friend.