Given a starting phrase, find a way to continue the narrative.
Input: John walked into the room and...
John walked into the room and looked around curiously. He noticed a book on the table and walked over to take a look. As he flipped through the pages, he realized it was a journal written by an explorer who had gone missing in this very jungle some years ago.
John walked into the room and crossed his arms in front of his chest, giving him a rigid posture. His expression was dark and serious.