{"case_id": "example-rain", "mt": "It rained in the morning. Xiaolin left home with a blue umbrella. He met his neighbor at the station. They waited together for ten minutes. The rain had stopped by the time the bus arrived. Xiaolin closed his umbrella and greeted the driver."}
{"case_id": "example-library", "mt": "The town library is closed every Monday. On Tuesday, Amei put two books in her bag. She rode her bicycle to the library. Amei returned the old books and borrowed a book about the ocean. After returning home, she showed her younger brother the first picture in the book."}